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2.5-n;n=1.8
We simplify the equation to the form, which is simple to understand
2.5-n;n=1.8
We move all terms containing n to the left and all other terms to the right.
-1n=+1.8-2.5
We simplify left and right side of the equation.
-1n=-0.7
We divide both sides of the equation by -1 to get n.
n=0.7
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