9z+8=4z-7

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Solution for 9z+8=4z-7 equation: 



9z+8=4z-7

We move all terms to the left:

9z+8-(4z-7)=0

We get rid of parentheses

9z-4z+7+8=0

We add all the numbers together, and all the variables

5z+15=0

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

5z=-15

z=-15/5

z=-3

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