a+3(a-7)=3

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


a+3(a-7)=3

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

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

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

We move all terms containing a to the left and all other terms to the right. 
+1a+3a=+3+21

We simplify left and right side of the equation. 
+4a=+24

We divide both sides of the equation by 4 to get a. 
a=6

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