85-2a=(135-2a)/2

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Solution for 85-2a=(135-2a)/2 equation:


85-2a=(135-2a)/2

We simplify the equation to the form, which is simple to understand 
85-2a=(135-2a)/2

Reorder the terms in parentheses
85-2a=(+67.5-1a)

Remove unnecessary parentheses
85-2a=+67.5-1a

We move all terms containing a to the left and all other terms to the right. 
-2a+1a=+67.5-85

We simplify left and right side of the equation. 
-1a=-17.5

We divide both sides of the equation by -1 to get a. 
a=17.5

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