-87=-7(1+2x)+4x

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Solution for -87=-7(1+2x)+4x equation: 



-87=-7(1+2x)+4x

We move all terms to the left:

-87-(-7(1+2x)+4x)=0

We add all the numbers together, and all the variables

-(-7(2x+1)+4x)-87=0



We calculate terms in parentheses: -(-7(2x+1)+4x), so:

-7(2x+1)+4x

We add all the numbers together, and all the variables

4x-7(2x+1)

We multiply parentheses

4x-14x-7

We add all the numbers together, and all the variables

-10x-7

Back to the equation:

-(-10x-7)



We get rid of parentheses

10x+7-87=0

We add all the numbers together, and all the variables

10x-80=0

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

10x=80

x=80/10

x=8

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