2(4-2z)-2(6z+8)=z-21

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Solution for 2(4-2z)-2(6z+8)=z-21 equation: 



2(4-2z)-2(6z+8)=z-21

We move all terms to the left:

2(4-2z)-2(6z+8)-(z-21)=0

We add all the numbers together, and all the variables

2(-2z+4)-2(6z+8)-(z-21)=0

We multiply parentheses

-4z-12z-(z-21)+8-16=0

We get rid of parentheses

-4z-12z-z+21+8-16=0

We add all the numbers together, and all the variables

-17z+13=0

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

-17z=-13

z=-13/-17

z=13/17

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