7z+7-2z=5+4z-4

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Solution for 7z+7-2z=5+4z-4 equation: 



7z+7-2z=5+4z-4

We move all terms to the left:

7z+7-2z-(5+4z-4)=0

We add all the numbers together, and all the variables

7z-2z-(4z+1)+7=0

We add all the numbers together, and all the variables

5z-(4z+1)+7=0

We get rid of parentheses

5z-4z-1+7=0

We add all the numbers together, and all the variables

z+6=0

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

z=-6

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