6a-3(3a-6)=30

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Solution for 6a-3(3a-6)=30 equation:


6a-3(3a-6)=30

We simplify the equation to the form, which is simple to understand 
6a-3(3a-6)=30

Reorder the terms in parentheses
6a+(-9a+18)=30

Remove unnecessary parentheses
+6a-9a+18=+30

We move all terms containing a to the left and all other terms to the right. 
+6a-9a=+30-18

We simplify left and right side of the equation. 
-3a=+12

We divide both sides of the equation by -3 to get a. 
a=-4

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