-12+40=-4(x+8)

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Solution for -12+40=-4(x+8) equation: 



-12+40=-4(x+8)

We move all terms to the left:

-12+40-(-4(x+8))=0

We add all the numbers together, and all the variables

-(-4(x+8))+28=0



We calculate terms in parentheses: -(-4(x+8)), so:

-4(x+8)

We multiply parentheses

-4x-32

Back to the equation:

-(-4x-32)



We get rid of parentheses

4x+32+28=0

We add all the numbers together, and all the variables

4x+60=0

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

4x=-60

x=-60/4

x=-15

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