-15=-5(7-x)-5(1+6x)

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Solution for -15=-5(7-x)-5(1+6x) equation: 



-15=-5(7-x)-5(1+6x)

We move all terms to the left:

-15-(-5(7-x)-5(1+6x))=0

We add all the numbers together, and all the variables

-(-5(-1x+7)-5(6x+1))-15=0



We calculate terms in parentheses: -(-5(-1x+7)-5(6x+1)), so:

-5(-1x+7)-5(6x+1)

We multiply parentheses

5x-30x-35-5

We add all the numbers together, and all the variables

-25x-40

Back to the equation:

-(-25x-40)



We get rid of parentheses

25x+40-15=0

We add all the numbers together, and all the variables

25x+25=0

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

25x=-25

x=-25/25

x=-1

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