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54.20-2.50n=41.70
We simplify the equation to the form, which is simple to understand
54.20-2.50n=41.70
We move all terms containing n to the left and all other terms to the right.
-2.5n=+41.7-54.2
We simplify left and right side of the equation.
-2.5n=-12.5
We divide both sides of the equation by -2.5 to get n.
n=5
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