4a-3(a+7)=

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


4a-3(a+7)=0

We simplify the equation to the form, which is simple to understand 
4a-3(a+7)=0

Reorder the terms in parentheses
4a+(-3a-21)=0

Remove unnecessary parentheses
+4a-3a-21=0

We move all terms containing a to the left and all other terms to the right. 
+4a-3a=0+21

We simplify left and right side of the equation. 
+1a=+21

We divide both sides of the equation by 1 to get a. 
a=21

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