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399=a/2+177
We simplify the equation to the form, which is simple to understand
399=a/2+177
Simplifying:
399=0.5a+177
We move all terms containing a to the left and all other terms to the right.
-0.5a=+177-399
We simplify left and right side of the equation.
-0.5a=-222
We divide both sides of the equation by -00.5 to get a.
a=444
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