Evaluate
\frac{53}{7}\approx 7.571428571
Factor
\frac{53}{7} = 7\frac{4}{7} = 7.571428571428571
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\frac{133+2}{7}-\frac{11\times 7+5}{7}
Multiply 19 and 7 to get 133.
\frac{135}{7}-\frac{11\times 7+5}{7}
Add 133 and 2 to get 135.
\frac{135}{7}-\frac{77+5}{7}
Multiply 11 and 7 to get 77.
\frac{135}{7}-\frac{82}{7}
Add 77 and 5 to get 82.
\frac{135-82}{7}
Since \frac{135}{7} and \frac{82}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{53}{7}
Subtract 82 from 135 to get 53.
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y = 3x + 4
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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}