18=z+8z

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Solution for 18=z+8z equation:



18=z+8z
We move all terms to the left:
18-(z+8z)=0
We add all the numbers together, and all the variables
-(+9z)+18=0
We get rid of parentheses
-9z+18=0
We move all terms containing z to the left, all other terms to the right
-9z=-18
z=-18/-9
z=+2

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