9(2z-7)+3(-2-12z)=-15

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Solution for 9(2z-7)+3(-2-12z)=-15 equation: 



9(2z-7)+3(-2-12z)=-15

We move all terms to the left:

9(2z-7)+3(-2-12z)-(-15)=0

We add all the numbers together, and all the variables

9(2z-7)+3(-12z-2)-(-15)=0

We add all the numbers together, and all the variables

9(2z-7)+3(-12z-2)+15=0

We multiply parentheses

18z-36z-63-6+15=0

We add all the numbers together, and all the variables

-18z-54=0

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

-18z=54

z=54/-18

z=-3

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