Evaluate
\frac{67x}{24}
Differentiate w.r.t. x
\frac{67}{24} = 2\frac{19}{24} = 2.7916666666666665
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\frac{12\times 5x}{24}+\frac{7x}{24}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 2 and 24 is 24. Multiply \frac{5x}{2} times \frac{12}{12}.
\frac{12\times 5x+7x}{24}
Since \frac{12\times 5x}{24} and \frac{7x}{24} have the same denominator, add them by adding their numerators.
\frac{60x+7x}{24}
Do the multiplications in 12\times 5x+7x.
\frac{67x}{24}
Combine like terms in 60x+7x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}