-31=-7a-8(1+2a)

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Solution for -31=-7a-8(1+2a) equation:


-31=-7a-8(1+2a)

We simplify the equation to the form, which is simple to understand 
-31=-7a-8(1+2a)

Reorder the terms in parentheses
-31=-7a+(-8-16a)

Remove unnecessary parentheses
-31=-7a-8-16a

We move all terms containing a to the left and all other terms to the right. 
+7a+16a=-8+31

We simplify left and right side of the equation. 
+23a=+23

We divide both sides of the equation by 23 to get a. 
a=1

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