Evaluate
131
Factor
131
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\frac{35+1}{7}\times 28-13
Multiply 5 and 7 to get 35.
\frac{36}{7}\times 28-13
Add 35 and 1 to get 36.
\frac{36\times 28}{7}-13
Express \frac{36}{7}\times 28 as a single fraction.
\frac{1008}{7}-13
Multiply 36 and 28 to get 1008.
144-13
Divide 1008 by 7 to get 144.
131
Subtract 13 from 144 to get 131.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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
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