brain not working

[golden mist]

I frogot everything in class and need help with some homework

[junior loom]

For questions like 3., start by multiplying both sides by the quantity that has the variable in it
For example a-5 for question 3
It should become something like

$a=(a-5)\frac{10}{11}$

[pastel stratus]

Twenty

[junior loom]

Which you can solve for a

The idea is the same for the other questions. You want to get rid of fractions, so multiply on both sides by denominators of those fractions you want to get rid of

[golden mist]

Ok

[warm steppe]

$x=sqrt(x-5)\frac{20}{13}$