-2z=-72

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Solution for -2z=-72 equation: 



-2z=-72

We move all terms to the left:

-2z-(-72)=0

We add all the numbers together, and all the variables

-2z+72=0

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

-2z=-72

z=-72/-2

z=+36

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