3(a+2)-(a-1)=17

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Solution for 3(a+2)-(a-1)=17 equation:


3(a+2)-(a-1)=17

We simplify the equation to the form, which is simple to understand 
3(a+2)-(a-1)=17

Reorder the terms in parentheses
+(+3a+6)-(a-1)=17

Remove unnecessary parentheses
+3a+6-(+a-1+)=+17

Remove unnecessary parentheses
+3a+6-1a+1=17

We move all terms containing a to the left and all other terms to the right. 
+3a-1a=+17-6-1

We simplify left and right side of the equation. 
+2a=+10

We divide both sides of the equation by 2 to get a. 
a=5

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