-3z=9-4z

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Solution for -3z=9-4z equation: 



-3z=9-4z

We move all terms to the left:

-3z-(9-4z)=0

We add all the numbers together, and all the variables

-3z-(-4z+9)=0

We get rid of parentheses

-3z+4z-9=0

We add all the numbers together, and all the variables

z-9=0

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

z=9

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