(2y+3)2=81

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Solution for (2y+3)2=81 equation: 



(2y+3)2=81

We move all terms to the left:

(2y+3)2-(81)=0

We multiply parentheses

4y+6-81=0

We add all the numbers together, and all the variables

4y-75=0

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

4y=75

y=75/4

y=18+3/4

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