-18=15z-18z+18

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Solution for -18=15z-18z+18 equation: 



-18=15z-18z+18

We move all terms to the left:

-18-(15z-18z+18)=0

We add all the numbers together, and all the variables

-(-3z+18)-18=0

We get rid of parentheses

3z-18-18=0

We add all the numbers together, and all the variables

3z-36=0

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

3z=36

z=36/3

z=12

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