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2-7(a+1)=-8a+2
We simplify the equation to the form, which is simple to understand
2-7(a+1)=-8a+2
Reorder the terms in parentheses
2+(-7a-7)=-8a+2
Remove unnecessary parentheses
+2-7a-7=-8a+2
We move all terms containing a to the left and all other terms to the right.
-7a+8a=+2-2+7
We simplify left and right side of the equation.
+1a=+7
We divide both sides of the equation by 1 to get a.
a=7
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