3(a+5)=84

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Solution for 3(a+5)=84 equation:


3(a+5)=84

We simplify the equation to the form, which is simple to understand 
3(a+5)=84

Reorder the terms in parentheses
+(+3a+15)=84

Remove unnecessary parentheses
+3a+15=+84

We move all terms containing a to the left and all other terms to the right. 
+3a=+84-15

We simplify left and right side of the equation. 
+3a=+69

We divide both sides of the equation by 3 to get a. 
a=23

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