2z+10z-9=10z+7

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Solution for 2z+10z-9=10z+7 equation: 



2z+10z-9=10z+7

We move all terms to the left:

2z+10z-9-(10z+7)=0

We add all the numbers together, and all the variables

12z-(10z+7)-9=0

We get rid of parentheses

12z-10z-7-9=0

We add all the numbers together, and all the variables

2z-16=0

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

2z=16

z=16/2

z=8

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