3(a+4)=4(a-7)

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


3(a+4)=4(a-7)

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

Reorder the terms in parentheses
+(+3a+12)=4*(a-7)

Remove unnecessary parentheses
+3a+12=+4+*(+a-7+)

Reorder the terms in parentheses
+3a+12=+(+4a-28)

Remove unnecessary parentheses
+3a+12=+4a-28

We move all terms containing a to the left and all other terms to the right. 
+3a-4a=-28-12

We simplify left and right side of the equation. 
-1a=-40

We divide both sides of the equation by -1 to get a. 
a=40

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