(4y+7)=(21)

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Solution for (4y+7)=(21) equation: 



(4y+7)=(21)

We move all terms to the left:

(4y+7)-((21))=0

determiningTheFunctionDomain
(4y+7)-21=0

We get rid of parentheses

4y+7-21=0

We add all the numbers together, and all the variables

4y-14=0

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

4y=14

y=14/4

y=3+1/2

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