7-2(a+1)=8+a

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Solution for 7-2(a+1)=8+a equation:


7-2(a+1)=8+a

We simplify the equation to the form, which is simple to understand 
7-2(a+1)=8+a

Reorder the terms in parentheses
7+(-2a-2)=8+a

Remove unnecessary parentheses
+7-2a-2=+8+a

We move all terms containing a to the left and all other terms to the right. 
-2a-1a=+8-7+2

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

We divide both sides of the equation by -3 to get a. 
a=-1

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