7z+9z+7-7=180

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Solution for 7z+9z+7-7=180 equation: 



7z+9z+7-7=180

We move all terms to the left:

7z+9z+7-7-(180)=0

We add all the numbers together, and all the variables

16z-180=0

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

16z=180

z=180/16

z=11+1/4

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