-15=5(x-7)-7x

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Solution for -15=5(x-7)-7x equation: 



-15=5(x-7)-7x

We move all terms to the left:

-15-(5(x-7)-7x)=0



We calculate terms in parentheses: -(5(x-7)-7x), so:

5(x-7)-7x

We add all the numbers together, and all the variables

-7x+5(x-7)

We multiply parentheses

-7x+5x-35

We add all the numbers together, and all the variables

-2x-35

Back to the equation:

-(-2x-35)



We get rid of parentheses

2x+35-15=0

We add all the numbers together, and all the variables

2x+20=0

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

2x=-20

x=-20/2

x=-10

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