Solve for m
m = \frac{7}{5} = 1\frac{2}{5} = 1.4
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2+5m=9
Combine m and 4m to get 5m.
5m=9-2
Subtract 2 from both sides.
5m=7
Subtract 2 from 9 to get 7.
m=\frac{7}{5}
Divide both sides by 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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