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5+2n=40
We simplify the equation to the form, which is simple to understand
5+2n=40
We move all terms containing n to the left and all other terms to the right.
+2n=+40-5
We simplify left and right side of the equation.
+2n=+35
We divide both sides of the equation by 2 to get n.
n=17.5
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