7z+12=3z-24

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Solution for 7z+12=3z-24 equation: 



7z+12=3z-24

We move all terms to the left:

7z+12-(3z-24)=0

We get rid of parentheses

7z-3z+24+12=0

We add all the numbers together, and all the variables

4z+36=0

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

4z=-36

z=-36/4

z=-9

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