-8x-8=-2 | Mathematics | Page 1

shell parrot Oct 20, 2022, 9:51 PM

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👍

wintry sonnet Oct 20, 2022, 10:40 PM

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Oh

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Now something that I don’t really understand

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3/4x -6=16

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4/3*3/4 right?

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then on the other side 16*4/3

wintry sonnet Oct 21, 2022, 9:43 PM

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Bruh

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Someone?

shell parrot Oct 21, 2022, 10:13 PM

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wintry sonnet 3/4x -6=16

You would need to add 6 to both sides first

honest sail Oct 21, 2022, 10:13 PM

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can someone hlep me

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@shell parrot

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can u help me im the one under it

wintry sonnet Oct 21, 2022, 10:21 PM

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shell parrot You would need to add 6 to both sides first

Oh, well after I do that so I do why it shows?

shell parrot Oct 21, 2022, 10:23 PM

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wintry sonnet Oh, well after I do that so I do why it shows?

Sorry after you add 6 you want the denominator gone so you multiply by 4x to both sides

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Then solve for x

wintry sonnet Oct 21, 2022, 10:28 PM

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3/4x-6=16
+6 | +6
3/4x=22

*4 | *4
This What you mean?

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@shell parrot

wintry sonnet Oct 21, 2022, 11:16 PM

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Wait what?

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By 4x?

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That’s how it should look, but I don’t get it

shell parrot Oct 21, 2022, 11:26 PM

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wintry sonnet

Ohhhh I see now

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Yes so once you add 6 you can also multiply both sides by the reciprocal

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You have (3/4)x and the reciprocal of 3/4 is 4/3 and by multiplying by the reciprocal, you get 1. So (4/3)(3/4)x = x

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So multiply both sides by the reciprocal then you get x = 22*(4/3)

wintry sonnet Oct 21, 2022, 11:34 PM

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shell parrot You have (3/4)x and the reciprocal of 3/4 is 4/3 and by multiplying by the reci...

43 and 34??

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4x3 3x4

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I know I do 22x4/3 on the right side

shell parrot Oct 21, 2022, 11:37 PM

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wintry sonnet I know I do 22x4/3 on the right side

Yes correct. Basically if you multiply a fraction by its reciprocal, you get 1

wintry sonnet Oct 21, 2022, 11:44 PM

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shell parrot Yes correct. Basically if you multiply a fraction by its reciprocal, you get 1

4x3 is 12 same as 3x4…

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Waittt

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I just put 4x3 and it’s gone

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Right?

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On the left side

shell parrot Oct 21, 2022, 11:45 PM

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Ah I will expand it out more

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(3/4)*(4/3) = 12/12 = 1

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Does that make more sense ?

wintry sonnet Oct 21, 2022, 11:47 PM

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shell parrot Does that make more sense ?

Yes!

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Is that 12x2
(3/4)x(4/3)

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Multiply?

shell parrot Oct 21, 2022, 11:48 PM

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Yes so when you do that, you’re left with just x

wintry sonnet Oct 21, 2022, 11:49 PM

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shell parrot Yes so when you do that, you’re left with just x

Don’t get how 12x12 is x which is 1

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140

shell parrot Oct 21, 2022, 11:52 PM

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$\frac{4}{3}*\frac{3}{4}x$

wise hamletBOT Oct 21, 2022, 11:52 PM

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rchel

shell parrot Oct 21, 2022, 11:52 PM

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which equals $\frac{12}{12}x$

wise hamletBOT Oct 21, 2022, 11:53 PM

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rchel

shell parrot Oct 21, 2022, 11:53 PM

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then the $12$ and $12$ cancel and you are left with $x$

wise hamletBOT Oct 21, 2022, 11:53 PM

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rchel

shell parrot Oct 21, 2022, 11:54 PM

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i think this makes it visually more understandable

wintry sonnet Oct 21, 2022, 11:54 PM

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shell parrot then the $12$ and $12$ cancel and you are left with $x$

I get all that, how does multiplication become division?

wintry sonnet Oct 21, 2022, 11:55 PM

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wise hamlet **rchel**

4/3 x 3/4
Because I do
Left 4 x right 3 and left 3 x right 4??

shell parrot Oct 21, 2022, 11:56 PM

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no division involved its just multiplication. when you multiply two fractions you multiply straight across top and bottom

wintry sonnet Oct 21, 2022, 11:57 PM

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wise hamlet **rchel**

…

shell parrot Oct 21, 2022, 11:57 PM

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i see. you see how the numerator and the denominator are both the same?

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that means its 1

wintry sonnet Oct 21, 2022, 11:59 PM

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They are same when competing them to each other

shell parrot Oct 22, 2022, 12:00 AM

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yeah i was just showing you that when you multiply a fraction by its reciprocal you get 1

wintry sonnet Oct 22, 2022, 12:01 AM

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shell parrot yeah i was just showing you that when you multiply a fraction by its reciprocal ...

Hmmm

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Weird

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Well thank you for the help!

#-8x-8=-2