20=.5(a+32)

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Solution for 20=.5(a+32) equation:


20=.5(a+32)

We simplify the equation to the form, which is simple to understand 
20=.5(a+32)

Reorder the terms in parentheses
20=+( + 0.5a+16)

Remove unnecessary parentheses
+20=0.5a+16

We move all terms containing a to the left and all other terms to the right. 
-0.5a=+16-20

We simplify left and right side of the equation. 
-0.5a=-4

We divide both sides of the equation by -00.5 to get a. 
a=8

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