-13+4z=4+9z

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



-13+4z=4+9z

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4z-9z-4-13=0

We add all the numbers together, and all the variables

-5z-17=0

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

-5z=17

z=17/-5

z=-3+2/5

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