3(a-4)+9=30

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Solution for 3(a-4)+9=30 equation:


3(a-4)+9=30

We simplify the equation to the form, which is simple to understand 
3(a-4)+9=30

Reorder the terms in parentheses
+(+3a-12)+9=30

Remove unnecessary parentheses
+3a-12+9=+30

We move all terms containing a to the left and all other terms to the right. 
+3a=+30+12-9

We simplify left and right side of the equation. 
+3a=+33

We divide both sides of the equation by 3 to get a. 
a=11

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