-9x-16=-4(x-1)

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Solution for -9x-16=-4(x-1) equation: 



-9x-16=-4(x-1)

We move all terms to the left:

-9x-16-(-4(x-1))=0



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

-4(x-1)

We multiply parentheses

-4x+4

Back to the equation:

-(-4x+4)



We get rid of parentheses

-9x+4x-4-16=0

We add all the numbers together, and all the variables

-5x-20=0

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

-5x=20

x=20/-5

x=-4

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