7=z+72

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Solution for 7=z+72 equation: 



7=z+72

We move all terms to the left:

7-(z+72)=0

We get rid of parentheses

-z-72+7=0

We add all the numbers together, and all the variables

-1z-65=0

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

-z=65

z=65/-1

z=-65

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