3x-2=-42-7x

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Solution for 3x-2=-42-7x equation: 



3x-2=-42-7x

We move all terms to the left:

3x-2-(-42-7x)=0

We add all the numbers together, and all the variables

3x-(-7x-42)-2=0

We get rid of parentheses

3x+7x+42-2=0

We add all the numbers together, and all the variables

10x+40=0

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

10x=-40

x=-40/10

x=-4

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