8z+1=9z-7

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Solution for 8z+1=9z-7 equation: 



8z+1=9z-7

We move all terms to the left:

8z+1-(9z-7)=0

We get rid of parentheses

8z-9z+7+1=0

We add all the numbers together, and all the variables

-1z+8=0

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

-z=-8

z=-8/-1

z=+8

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