2(3z+7)+z=70

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Solution for 2(3z+7)+z=70 equation: 



2(3z+7)+z=70

We move all terms to the left:

2(3z+7)+z-(70)=0

We add all the numbers together, and all the variables

z+2(3z+7)-70=0

We multiply parentheses

z+6z+14-70=0

We add all the numbers together, and all the variables

7z-56=0

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

7z=56

z=56/7

z=8

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