-z-(2-3z)=5-7z

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Solution for -z-(2-3z)=5-7z equation: 



-z-(2-3z)=5-7z

We move all terms to the left:

-z-(2-3z)-(5-7z)=0

We add all the numbers together, and all the variables

-z-(-3z+2)-(-7z+5)=0

We add all the numbers together, and all the variables

-1z-(-3z+2)-(-7z+5)=0

We get rid of parentheses

-1z+3z+7z-2-5=0

We add all the numbers together, and all the variables

9z-7=0

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

9z=7

z=7/9

z=7/9

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