-7x+3(x-7)=15

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Solution for -7x+3(x-7)=15 equation: 



-7x+3(x-7)=15

We move all terms to the left:

-7x+3(x-7)-(15)=0

We multiply parentheses

-7x+3x-21-15=0

We add all the numbers together, and all the variables

-4x-36=0

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

-4x=36

x=36/-4

x=-9

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