-7(3+5)=x

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



-7(3+5)=x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-x-78=0

We add all the numbers together, and all the variables

-1x-78=0

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

-x=78

x=78/-1

x=-78

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