-9+z+4z=9+8z

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Solution for -9+z+4z=9+8z equation: 



-9+z+4z=9+8z

We move all terms to the left:

-9+z+4z-(9+8z)=0

We add all the numbers together, and all the variables

z+4z-(8z+9)-9=0

We add all the numbers together, and all the variables

5z-(8z+9)-9=0

We get rid of parentheses

5z-8z-9-9=0

We add all the numbers together, and all the variables

-3z-18=0

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

-3z=18

z=18/-3

z=-6

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