-12+20=-4(x+1)

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Solution for -12+20=-4(x+1) equation: 



-12+20=-4(x+1)

We move all terms to the left:

-12+20-(-4(x+1))=0

We add all the numbers together, and all the variables

-(-4(x+1))+8=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

4x+4+8=0

We add all the numbers together, and all the variables

4x+12=0

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

4x=-12

x=-12/4

x=-3

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