-7-5z=5-7z

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Solution for -7-5z=5-7z equation: 



-7-5z=5-7z

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-5z+7z-5-7=0

We add all the numbers together, and all the variables

2z-12=0

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

2z=12

z=12/2

z=6

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