-5(-3)-y=21

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Solution for -5(-3)-y=21 equation: 



-5(-3)-y=21

We move all terms to the left:

-5(-3)-y-(21)=0

determiningTheFunctionDomain
-y-21-5(-3)=0

We add all the numbers together, and all the variables

-1y-6=0

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

-y=6

y=6/-1

y=-6

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