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-1/2(-2+2a)=-4-2a
We simplify the equation to the form, which is simple to understand
-1/2(-2+2a)=-4-2a
Reorder the terms in parentheses
+(+1-1a)=-4-2a
Remove unnecessary parentheses
+1-1a=-4-2a
We move all terms containing a to the left and all other terms to the right.
-1a+2a=-4-1
We simplify left and right side of the equation.
+1a=-5
We divide both sides of the equation by 1 to get a.
a=-5
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