7z+57=4z+63

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Solution for 7z+57=4z+63 equation: 



7z+57=4z+63

We move all terms to the left:

7z+57-(4z+63)=0

We get rid of parentheses

7z-4z-63+57=0

We add all the numbers together, and all the variables

3z-6=0

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

3z=6

z=6/3

z=2

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