7z+z=7z+9

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Solution for 7z+z=7z+9 equation:



7z+z=7z+9
We move all terms to the left:
7z+z-(7z+9)=0
We add all the numbers together, and all the variables
8z-(7z+9)=0
We get rid of parentheses
8z-7z-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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