7z+7z=6z-6-7z

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Solution for 7z+7z=6z-6-7z equation: 



7z+7z=6z-6-7z

We move all terms to the left:

7z+7z-(6z-6-7z)=0

We add all the numbers together, and all the variables

7z+7z-(-1z-6)=0

We add all the numbers together, and all the variables

14z-(-1z-6)=0

We get rid of parentheses

14z+1z+6=0

We add all the numbers together, and all the variables

15z+6=0

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

15z=-6

z=-6/15

z=-2/5

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