-12=6(z+3)

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Solution for -12=6(z+3) equation: 



-12=6(z+3)

We move all terms to the left:

-12-(6(z+3))=0



We calculate terms in parentheses: -(6(z+3)), so:

6(z+3)

We multiply parentheses

6z+18

Back to the equation:

-(6z+18)



We get rid of parentheses

-6z-18-12=0

We add all the numbers together, and all the variables

-6z-30=0

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

-6z=30

z=30/-6

z=-5

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