9z-5z=30-z

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Solution for 9z-5z=30-z equation: 



9z-5z=30-z

We move all terms to the left:

9z-5z-(30-z)=0

We add all the numbers together, and all the variables

9z-5z-(-1z+30)=0

We add all the numbers together, and all the variables

4z-(-1z+30)=0

We get rid of parentheses

4z+1z-30=0

We add all the numbers together, and all the variables

5z-30=0

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

5z=30

z=30/5

z=6

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