7z-8=3z+4

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Solution for 7z-8=3z+4 equation: 



7z-8=3z+4

We move all terms to the left:

7z-8-(3z+4)=0

We get rid of parentheses

7z-3z-4-8=0

We add all the numbers together, and all the variables

4z-12=0

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

4z=12

z=12/4

z=3

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