2z-(-3)=9

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Solution for 2z-(-3)=9 equation: 



2z-(-3)=9

We move all terms to the left:

2z-(-3)-(9)=0

determiningTheFunctionDomain
2z-9-(-3)=0

We add all the numbers together, and all the variables

2z-6=0

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

2z=6

z=6/2

z=3

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