z-(-7)=15

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Solution for z-(-7)=15 equation: 



z-(-7)=15

We move all terms to the left:

z-(-7)-(15)=0

determiningTheFunctionDomain
z-15-(-7)=0

We add all the numbers together, and all the variables

z-8=0

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

z=8

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