System of equations using elimination. | Mathematics | Page 1

sweet blazeBOT Apr 10, 2024, 8:28 PM

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tiny swallow Apr 10, 2024, 9:32 PM

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On line 11 on the leftmost of the page, you are making a lot of mistakes. Talk me through how you used 2x+y-z+3=0, and 3x+2y-z+5=0 to get x+3y+3=0.

tight basin Apr 11, 2024, 12:29 AM

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I redid the question

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2x+y-z+3=0 - 3x+2y-z+5=0 = -x-1y-2=0

tight basin Apr 11, 2024, 12:58 AM

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Solved it thanks

limpid hornet Apr 12, 2024, 8:19 PM

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Use .solved if you have no more questions.

tight basin Apr 13, 2024, 1:03 AM

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.solved

#System of equations using elimination.