9+15z-7=9z+80-7z

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Solution for 9+15z-7=9z+80-7z equation:



9+15z-7=9z+80-7z
We move all terms to the left:
9+15z-7-(9z+80-7z)=0
We add all the numbers together, and all the variables
15z-(2z+80)+9-7=0
We add all the numbers together, and all the variables
15z-(2z+80)+2=0
We get rid of parentheses
15z-2z-80+2=0
We add all the numbers together, and all the variables
13z-78=0
We move all terms containing z to the left, all other terms to the right
13z=78
z=78/13
z=6

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