-12=4(x+15)

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Solution for -12=4(x+15) equation: 



-12=4(x+15)

We move all terms to the left:

-12-(4(x+15))=0



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

4(x+15)

We multiply parentheses

4x+60

Back to the equation:

-(4x+60)



We get rid of parentheses

-4x-60-12=0

We add all the numbers together, and all the variables

-4x-72=0

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

-4x=72

x=72/-4

x=-18

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