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12=n/2+3
We simplify the equation to the form, which is simple to understand
12=n/2+3
Simplifying:
12=0.5n+3
We move all terms containing n to the left and all other terms to the right.
-0.5n=+3-12
We simplify left and right side of the equation.
-0.5n=-9
We divide both sides of the equation by -00.5 to get n.
n=18
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