9z+3-2z=30-2z

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Solution for 9z+3-2z=30-2z equation: 



9z+3-2z=30-2z

We move all terms to the left:

9z+3-2z-(30-2z)=0

We add all the numbers together, and all the variables

9z-2z-(-2z+30)+3=0

We add all the numbers together, and all the variables

7z-(-2z+30)+3=0

We get rid of parentheses

7z+2z-30+3=0

We add all the numbers together, and all the variables

9z-27=0

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

9z=27

z=27/9

z=3

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