7(-2+4z)-4z=20+86

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Solution for 7(-2+4z)-4z=20+86 equation: 



7(-2+4z)-4z=20+86

We move all terms to the left:

7(-2+4z)-4z-(20+86)=0

We add all the numbers together, and all the variables

7(4z-2)-4z-106=0

We add all the numbers together, and all the variables

-4z+7(4z-2)-106=0

We multiply parentheses

-4z+28z-14-106=0

We add all the numbers together, and all the variables

24z-120=0

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

24z=120

z=120/24

z=5

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