-3x-6=-7x-42

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Solution for -3x-6=-7x-42 equation: 



-3x-6=-7x-42

We move all terms to the left:

-3x-6-(-7x-42)=0

We get rid of parentheses

-3x+7x+42-6=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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