20+16z+7=135+z+12

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Solution for 20+16z+7=135+z+12 equation: 



20+16z+7=135+z+12

We move all terms to the left:

20+16z+7-(135+z+12)=0

We add all the numbers together, and all the variables

16z-(z+147)+20+7=0

We add all the numbers together, and all the variables

16z-(z+147)+27=0

We get rid of parentheses

16z-z-147+27=0

We add all the numbers together, and all the variables

15z-120=0

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

15z=120

z=120/15

z=8

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