-3z-15=9

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Solution for -3z-15=9 equation: 



-3z-15=9

We move all terms to the left:

-3z-15-(9)=0

We add all the numbers together, and all the variables

-3z-24=0

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

-3z=24

z=24/-3

z=-8

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