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15x+73
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15x+73
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8+9x+44-8x-4\left(-2x-7\right)+6x-7
Use the distributive property to multiply 4 by 11-2x.
52+9x-8x-4\left(-2x-7\right)+6x-7
Add 8 and 44 to get 52.
52+x-4\left(-2x-7\right)+6x-7
Combine 9x and -8x to get x.
52+x+8x+28+6x-7
Use the distributive property to multiply -4 by -2x-7.
52+9x+28+6x-7
Combine x and 8x to get 9x.
80+9x+6x-7
Add 52 and 28 to get 80.
80+15x-7
Combine 9x and 6x to get 15x.
73+15x
Subtract 7 from 80 to get 73.
8+9x+44-8x-4\left(-2x-7\right)+6x-7
Use the distributive property to multiply 4 by 11-2x.
52+9x-8x-4\left(-2x-7\right)+6x-7
Add 8 and 44 to get 52.
52+x-4\left(-2x-7\right)+6x-7
Combine 9x and -8x to get x.
52+x+8x+28+6x-7
Use the distributive property to multiply -4 by -2x-7.
52+9x+28+6x-7
Combine x and 8x to get 9x.
80+9x+6x-7
Add 52 and 28 to get 80.
80+15x-7
Combine 9x and 6x to get 15x.
73+15x
Subtract 7 from 80 to get 73.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}