-7(3+5x)=-42

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Solution for -7(3+5x)=-42 equation: 



-7(3+5x)=-42

We move all terms to the left:

-7(3+5x)-(-42)=0

We add all the numbers together, and all the variables

-7(5x+3)-(-42)=0

We add all the numbers together, and all the variables

-7(5x+3)+42=0

We multiply parentheses

-35x-21+42=0

We add all the numbers together, and all the variables

-35x+21=0

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

-35x=-21

x=-21/-35

x=3/5

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