Solve for n
n = \frac{5}{2} = 2\frac{1}{2} = 2.5
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-2n=16-21
Subtract 21 from both sides.
-2n=-5
Subtract 21 from 16 to get -5.
n=\frac{-5}{-2}
Divide both sides by -2.
n=\frac{5}{2}
Fraction \frac{-5}{-2} can be simplified to \frac{5}{2} by removing the negative sign from both the numerator and the denominator.
Examples
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Limits
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