7(4-a)=3a-12

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Solution for 7(4-a)=3a-12 equation:


7(4-a)=3a-12

We simplify the equation to the form, which is simple to understand 
7(4-a)=3a-12

Reorder the terms in parentheses
+(+28-7a)=3a-12

Remove unnecessary parentheses
+28-7a=+3a-12

We move all terms containing a to the left and all other terms to the right. 
-7a-3a=-12-28

We simplify left and right side of the equation. 
-10a=-40

We divide both sides of the equation by -10 to get a. 
a=4

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