12y+21=9y+27

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Solution for 12y+21=9y+27 equation:


12y+21=9y+27

We simplify the equation to the form, which is simple to understand 
12y+21=9y+27

We move all terms containing y to the left and all other terms to the right. 
+12y-9y=+27-21

We simplify left and right side of the equation. 
+3y=+6

We divide both sides of the equation by 3 to get y. 
y=2

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