9z+9=7z+12

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Solution for 9z+9=7z+12 equation: 



9z+9=7z+12

We move all terms to the left:

9z+9-(7z+12)=0

We get rid of parentheses

9z-7z-12+9=0

We add all the numbers together, and all the variables

2z-3=0

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

2z=3

z=3/2

z=1+1/2

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