Evaluate
\frac{2y}{5}-x+\frac{24}{5}
Expand
\frac{2y}{5}-x+\frac{24}{5}
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\frac{2}{5}y+\frac{2}{5}\times 12-x
Use the distributive property to multiply \frac{2}{5} by y+12.
\frac{2}{5}y+\frac{2\times 12}{5}-x
Express \frac{2}{5}\times 12 as a single fraction.
\frac{2}{5}y+\frac{24}{5}-x
Multiply 2 and 12 to get 24.
\frac{2}{5}y+\frac{2}{5}\times 12-x
Use the distributive property to multiply \frac{2}{5} by y+12.
\frac{2}{5}y+\frac{2\times 12}{5}-x
Express \frac{2}{5}\times 12 as a single fraction.
\frac{2}{5}y+\frac{24}{5}-x
Multiply 2 and 12 to get 24.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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