-7-9z=10+8z

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Solution for -7-9z=10+8z equation: 



-7-9z=10+8z

We move all terms to the left:

-7-9z-(10+8z)=0

We add all the numbers together, and all the variables

-9z-(8z+10)-7=0

We get rid of parentheses

-9z-8z-10-7=0

We add all the numbers together, and all the variables

-17z-17=0

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

-17z=17

z=17/-17

z=-1

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