5z-9=9+7

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Solution for 5z-9=9+7 equation: 



5z-9=9+7

We move all terms to the left:

5z-9-(9+7)=0

We add all the numbers together, and all the variables

5z-9-16=0

We add all the numbers together, and all the variables

5z-25=0

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

5z=25

z=25/5

z=5

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