45=9+9z

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Solution for 45=9+9z equation:



45=9+9z
We move all terms to the left:
45-(9+9z)=0
We add all the numbers together, and all the variables
-(9z+9)+45=0
We get rid of parentheses
-9z-9+45=0
We add all the numbers together, and all the variables
-9z+36=0
We move all terms containing z to the left, all other terms to the right
-9z=-36
z=-36/-9
z=+4

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