-3(x+7)=-7x-45

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Solution for -3(x+7)=-7x-45 equation: 



-3(x+7)=-7x-45

We move all terms to the left:

-3(x+7)-(-7x-45)=0

We multiply parentheses

-3x-(-7x-45)-21=0

We get rid of parentheses

-3x+7x+45-21=0

We add all the numbers together, and all the variables

4x+24=0

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

4x=-24

x=-24/4

x=-6

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