-2(3+6a)=90

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Solution for -2(3+6a)=90 equation:


-2(3+6a)=90

We simplify the equation to the form, which is simple to understand 
-2(3+6a)=90

Reorder the terms in parentheses
+(-6-12a)=90

Remove unnecessary parentheses
-6-12a=+90

We move all terms containing a to the left and all other terms to the right. 
-12a=+90+6

We simplify left and right side of the equation. 
-12a=+96

We divide both sides of the equation by -12 to get a. 
a=-8

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