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30n+5n+10=500
We simplify the equation to the form, which is simple to understand
30n+5n+10=500
We move all terms containing n to the left and all other terms to the right.
+30n+5n=+500-10
We simplify left and right side of the equation.
+35n=+490
We divide both sides of the equation by 35 to get n.
n=14
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