3(-4+3a)=-57

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


3(-4+3a)=-57

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

Reorder the terms in parentheses
+(-12+9a)=-57

Remove unnecessary parentheses
-12+9a=-57

We move all terms containing a to the left and all other terms to the right. 
+9a=-57+12

We simplify left and right side of the equation. 
+9a=-45

We divide both sides of the equation by 9 to get a. 
a=-5

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