-15=8z+7.

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Solution for -15=8z+7. equation: 



-15=8z+7.

We move all terms to the left:

-15-(8z+7.)=0

We add all the numbers together, and all the variables

-(8z+7)-15=0

We get rid of parentheses

-8z-7-15=0

We add all the numbers together, and all the variables

-8z-22=0

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

-8z=22

z=22/-8

z=-2+3/4

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