SOLUTION: solve using the substitution method: 2(x-y)=3+x, x=3y+4

SOLUTION: solve using the substitution method: 2(x-y)=3+x, x=3y+4

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Question 274922: solve using the substitution method:
2(x-y)=3+x,
x=3y+4
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
2(x-y)=3+x

2(3y+4-y)=3+3y+4

2(2y+4)=3y+7

4y+8=3y+7

4y-3y=7-8

y=-1

x=3y+4=3(-1)+4=-3+4=1

Answers: x=1, y=-1
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