-(-5)+2y=21

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Solution for -(-5)+2y=21 equation: 



-(-5)+2y=21

We move all terms to the left:

-(-5)+2y-(21)=0

determiningTheFunctionDomain
2y-21-(-5)=0

We add all the numbers together, and all the variables

2y-16=0

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

2y=16

y=16/2

y=8

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