9=-4(2x-2)-15

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Solution for 9=-4(2x-2)-15 equation: 



9=-4(2x-2)-15

We move all terms to the left:

9-(-4(2x-2)-15)=0



We calculate terms in parentheses: -(-4(2x-2)-15), so:

-4(2x-2)-15

We multiply parentheses

-8x+8-15

We add all the numbers together, and all the variables

-8x-7

Back to the equation:

-(-8x-7)



We get rid of parentheses

8x+7+9=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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