-30-4z=72-2z

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Solution for -30-4z=72-2z equation: 



-30-4z=72-2z

We move all terms to the left:

-30-4z-(72-2z)=0

We add all the numbers together, and all the variables

-4z-(-2z+72)-30=0

We get rid of parentheses

-4z+2z-72-30=0

We add all the numbers together, and all the variables

-2z-102=0

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

-2z=102

z=102/-2

z=-51

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