-7(3x+4)=-x-4(5+4x)

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Solution for -7(3x+4)=-x-4(5+4x) equation: 



-7(3x+4)=-x-4(5+4x)

We move all terms to the left:

-7(3x+4)-(-x-4(5+4x))=0

We add all the numbers together, and all the variables

-7(3x+4)-(-x-4(4x+5))=0

We multiply parentheses

-21x-(-x-4(4x+5))-28=0



We calculate terms in parentheses: -(-x-4(4x+5)), so:

-x-4(4x+5)

We add all the numbers together, and all the variables

-1x-4(4x+5)

We multiply parentheses

-1x-16x-20

We add all the numbers together, and all the variables

-17x-20

Back to the equation:

-(-17x-20)



We get rid of parentheses

-21x+17x+20-28=0

We add all the numbers together, and all the variables

-4x-8=0

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

-4x=8

x=8/-4

x=-2

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