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-(8-a)=2(a+1-2)
We simplify the equation to the form, which is simple to understand
-(8-a)=2(a+1-2)
Simplifying terms in parentheses
-(8-a)=2*(-1+1a)
Remove unnecessary parentheses
-8+1a=2*(-1+1a)
Reorder the terms in parentheses
-8+1a=+(-2+2a)
Remove unnecessary parentheses
-8+1a=-2+2a
We move all terms containing a to the left and all other terms to the right.
+1a-2a=-2+8
We simplify left and right side of the equation.
-1a=+6
We divide both sides of the equation by -1 to get a.
a=-6
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