Math, asked by rajputroger1044, 10 months ago

How do you solve 2x+3y=31 and y=x+7?

Answers

Answered by vishnupriya48
0

substitute y=X+7 in 2x+3y=31

then 2x+3(X+7)=31

5x+21=31

5x=10

X=2

substitute X in y=X+7

y=2+7

y=9

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