3(-x-7)=15

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



3(-x-7)=15

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(-1x-7)-15=0

We multiply parentheses

-3x-21-15=0

We add all the numbers together, and all the variables

-3x-36=0

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

-3x=36

x=36/-3

x=-12

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