7z=-4+8z

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Solution for 7z=-4+8z equation: 



7z=-4+8z

We move all terms to the left:

7z-(-4+8z)=0

We add all the numbers together, and all the variables

7z-(8z-4)=0

We get rid of parentheses

7z-8z+4=0

We add all the numbers together, and all the variables

-1z+4=0

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

-z=-4

z=-4/-1

z=+4

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