-42=-4x-3x

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Solution for -42=-4x-3x equation: 



-42=-4x-3x

We move all terms to the left:

-42-(-4x-3x)=0

We add all the numbers together, and all the variables

-(-7x)-42=0

We get rid of parentheses

7x-42=0

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

7x=42

x=42/7

x=6

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