11z-9=12z+8

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Solution for 11z-9=12z+8 equation: 



11z-9=12z+8

We move all terms to the left:

11z-9-(12z+8)=0

We get rid of parentheses

11z-12z-8-9=0

We add all the numbers together, and all the variables

-1z-17=0

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

-z=17

z=17/-1

z=-17

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