Solve for x
x = \frac{24}{5} = 4\frac{4}{5} = 4.8
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x+7+2\left(2x+7\right)+5=50
Combine x and x to get 2x.
x+7+4x+14+5=50
Use the distributive property to multiply 2 by 2x+7.
5x+7+14+5=50
Combine x and 4x to get 5x.
5x+21+5=50
Add 7 and 14 to get 21.
5x+26=50
Add 21 and 5 to get 26.
5x=50-26
Subtract 26 from both sides.
5x=24
Subtract 26 from 50 to get 24.
x=\frac{24}{5}
Divide both sides by 5.
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}