3+3(a+7)=5(2+a)-3a

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Solution for 3+3(a+7)=5(2+a)-3a equation:


3+3(a+7)=5(2+a)-3a

We simplify the equation to the form, which is simple to understand 
3+3(a+7)=5(2+a)-3a

Reorder the terms in parentheses
3+(+3a+21)=5*(2+a)-3a

Remove unnecessary parentheses
+3+3a+21=+5+*(+2+a+)-3a

Reorder the terms in parentheses
3+3a+21=+(+10+5a)-3a

Remove unnecessary parentheses
+3+3a+21=+10+5a-3a

We move all terms containing a to the left and all other terms to the right. 
+3a-5a+3a=+10-3-21

We simplify left and right side of the equation. 
+1a=-14

We divide both sides of the equation by 1 to get a. 
a=-14

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