10z+7=9

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Solution for 10z+7=9 equation: 



10z+7=9

We move all terms to the left:

10z+7-(9)=0

We add all the numbers together, and all the variables

10z-2=0

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

10z=2

z=2/10

z=1/5

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