-3(-4y+7)=-57

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Solution for -3(-4y+7)=-57 equation:


-3(-4y+7)=-57

We simplify the equation to the form, which is simple to understand 
-3(-4y+7)=-57

Reorder the terms in parentheses
+(+12y-21)=-57

Remove unnecessary parentheses
+12y-21=-57

We move all terms containing y to the left and all other terms to the right. 
+12y=-57+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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