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n/5-21=-16
We simplify the equation to the form, which is simple to understand
n/5-21=-16
We move all terms containing n to the left and all other terms to the right.
+ 0.2n=-16+21
We simplify left and right side of the equation.
+ 0.2n=+5
We divide both sides of the equation by 0.2 to get n.
n=25
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