Solve for m
m>4
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4m>21-5
Subtract 5 from both sides.
4m>16
Subtract 5 from 21 to get 16.
m>\frac{16}{4}
Divide both sides by 4. Since 4 is positive, the inequality direction remains the same.
m>4
Divide 16 by 4 to get 4.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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Limits
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