13z-4=20+9z

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Solution for 13z-4=20+9z equation: 



13z-4=20+9z

We move all terms to the left:

13z-4-(20+9z)=0

We add all the numbers together, and all the variables

13z-(9z+20)-4=0

We get rid of parentheses

13z-9z-20-4=0

We add all the numbers together, and all the variables

4z-24=0

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

4z=24

z=24/4

z=6

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