What is the solution of the system of equations? 3x+4y=12 2x+y=10

asked Mar 21, 2023 227k views

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y=10-2x..(3)

$3x+4(10-2x)=12\\\\3x+40-8x=12\\3x-8x=12-40\\-5x=-28\\(-5x)/(-5) =(-28)/(-5) \\x=(28)/(5)$

$y=10-2((28)/(5) )\\y=10-(56)/(5) \\y=-(6)/(5)$

Smash answered Mar 28, 2023

by Smash

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