-100=4(-4x-5)

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Solution for -100=4(-4x-5) equation: 



-100=4(-4x-5)

We move all terms to the left:

-100-(4(-4x-5))=0



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

4(-4x-5)

We multiply parentheses

-16x-20

Back to the equation:

-(-16x-20)



We get rid of parentheses

16x+20-100=0

We add all the numbers together, and all the variables

16x-80=0

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

16x=80

x=80/16

x=5

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