10+9z=7z

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Solution for 10+9z=7z equation: 



10+9z=7z

We move all terms to the left:

10+9z-(7z)=0

We add all the numbers together, and all the variables

2z+10=0

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

2z=-10

z=-10/2

z=-5

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