15=-4(8-6z)-12z

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Solution for 15=-4(8-6z)-12z equation: 



15=-4(8-6z)-12z

We move all terms to the left:

15-(-4(8-6z)-12z)=0

We add all the numbers together, and all the variables

-(-4(-6z+8)-12z)+15=0



We calculate terms in parentheses: -(-4(-6z+8)-12z), so:

-4(-6z+8)-12z

We add all the numbers together, and all the variables

-12z-4(-6z+8)

We multiply parentheses

-12z+24z-32

We add all the numbers together, and all the variables

12z-32

Back to the equation:

-(12z-32)



We get rid of parentheses

-12z+32+15=0

We add all the numbers together, and all the variables

-12z+47=0

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

-12z=-47

z=-47/-12

z=3+11/12

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