12=-2(-4-2z)

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Solution for 12=-2(-4-2z) equation: 



12=-2(-4-2z)

We move all terms to the left:

12-(-2(-4-2z))=0

We add all the numbers together, and all the variables

-(-2(-2z-4))+12=0



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

-2(-2z-4)

We multiply parentheses

4z+8

Back to the equation:

-(4z+8)



We get rid of parentheses

-4z-8+12=0

We add all the numbers together, and all the variables

-4z+4=0

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

-4z=-4

z=-4/-4

z=1

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