7+2(1a-3)=-9

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Solution for 7+2(1a-3)=-9 equation:


7+2(1a-3)=-9

We simplify the equation to the form, which is simple to understand 
7+2(1a-3)=-9

Reorder the terms in parentheses
7+(+2a-6)=-9

Remove unnecessary parentheses
+7+2a-6=-9

We move all terms containing a to the left and all other terms to the right. 
+2a=-9-7+6

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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