9z+8=7z-8

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Solution for 9z+8=7z-8 equation: 



9z+8=7z-8

We move all terms to the left:

9z+8-(7z-8)=0

We get rid of parentheses

9z-7z+8+8=0

We add all the numbers together, and all the variables

2z+16=0

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

2z=-16

z=-16/2

z=-8

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