15z+2z+7=8z

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Solution for 15z+2z+7=8z equation: 



15z+2z+7=8z

We move all terms to the left:

15z+2z+7-(8z)=0

We add all the numbers together, and all the variables

9z+7=0

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

9z=-7

z=-7/9

z=-7/9

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