-3(y-7)=9y-15

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Solution for -3(y-7)=9y-15 equation:


-3(y-7)=9y-15

We simplify the equation to the form, which is simple to understand 
-3(y-7)=9y-15

Reorder the terms in parentheses
+(-3y+21)=9y-15

Remove unnecessary parentheses
-3y+21=+9y-15

We move all terms containing y to the left and all other terms to the right. 
-3y-9y=-15-21

We simplify left and right side of the equation. 
-12y=-36

We divide both sides of the equation by -12 to get y. 
y=3

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