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4=a+1/2
We simplify the equation to the form, which is simple to understand
4=a+1/2
Simplifying:
4=a + 0.5
We move all terms containing a to the left and all other terms to the right.
-1a=0.5-4
We simplify left and right side of the equation.
-1a=-3.5
We divide both sides of the equation by -01 to get a.
a=3.5
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