3(y+1)=21

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Solution for 3(y+1)=21 equation:


3(y+1)=21

We simplify the equation to the form, which is simple to understand 
3(y+1)=21

Reorder the terms in parentheses
+(+3y+3)=21

Remove unnecessary parentheses
+3y+3=+21

We move all terms containing y to the left and all other terms to the right. 
+3y=+21-3

We simplify left and right side of the equation. 
+3y=+18

We divide both sides of the equation by 3 to get y. 
y=6

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