6y-9=2y-21

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Solution for 6y-9=2y-21 equation:


6y-9=2y-21

We simplify the equation to the form, which is simple to understand 
6y-9=2y-21

We move all terms containing y to the left and all other terms to the right. 
+6y-2y=-21+9

We simplify left and right side of the equation. 
+4y=-12

We divide both sides of the equation by 4 to get y. 
y=-3

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