90+7z+12=4z+6

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Solution for 90+7z+12=4z+6 equation: 



90+7z+12=4z+6

We move all terms to the left:

90+7z+12-(4z+6)=0

We add all the numbers together, and all the variables

7z-(4z+6)+102=0

We get rid of parentheses

7z-4z-6+102=0

We add all the numbers together, and all the variables

3z+96=0

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

3z=-96

z=-96/3

z=-32

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