-51=6z+21

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Solution for -51=6z+21 equation: 



-51=6z+21

We move all terms to the left:

-51-(6z+21)=0

We get rid of parentheses

-6z-21-51=0

We add all the numbers together, and all the variables

-6z-72=0

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

-6z=72

z=72/-6

z=-12

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