3(a+4)=7a

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Solution for 3(a+4)=7a equation:


3(a+4)=7a

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

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

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

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

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

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

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