7z-12=4z+3

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Solution for 7z-12=4z+3 equation: 



7z-12=4z+3

We move all terms to the left:

7z-12-(4z+3)=0

We get rid of parentheses

7z-4z-3-12=0

We add all the numbers together, and all the variables

3z-15=0

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

3z=15

z=15/3

z=5

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