X+2Y=3x-7

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Solution for X+2Y=3x-7 equation: 



X+2=3X-7

We move all terms to the left:

X+2-(3X-7)=0

We get rid of parentheses

X-3X+7+2=0

We add all the numbers together, and all the variables

-2X+9=0

We move all terms containing X to the left, all other terms to the right

-2X=-9

X=-9/-2

X=4+1/2

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