87=-2(-6x-5)-x

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Solution for 87=-2(-6x-5)-x equation: 



87=-2(-6x-5)-x

We move all terms to the left:

87-(-2(-6x-5)-x)=0



We calculate terms in parentheses: -(-2(-6x-5)-x), so:

-2(-6x-5)-x

We add all the numbers together, and all the variables

-1x-2(-6x-5)

We multiply parentheses

-1x+12x+10

We add all the numbers together, and all the variables

11x+10

Back to the equation:

-(11x+10)



We get rid of parentheses

-11x-10+87=0

We add all the numbers together, and all the variables

-11x+77=0

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

-11x=-77

x=-77/-11

x=+7

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