Solve for x
x=4
Graph
Share
Copied to clipboard
\frac{2}{3}\times 9x+\frac{2}{3}\left(-12\right)=8+2x
Use the distributive property to multiply \frac{2}{3} by 9x-12.
\frac{2\times 9}{3}x+\frac{2}{3}\left(-12\right)=8+2x
Express \frac{2}{3}\times 9 as a single fraction.
\frac{18}{3}x+\frac{2}{3}\left(-12\right)=8+2x
Multiply 2 and 9 to get 18.
6x+\frac{2}{3}\left(-12\right)=8+2x
Divide 18 by 3 to get 6.
6x+\frac{2\left(-12\right)}{3}=8+2x
Express \frac{2}{3}\left(-12\right) as a single fraction.
6x+\frac{-24}{3}=8+2x
Multiply 2 and -12 to get -24.
6x-8=8+2x
Divide -24 by 3 to get -8.
6x-8-2x=8
Subtract 2x from both sides.
4x-8=8
Combine 6x and -2x to get 4x.
4x=8+8
Add 8 to both sides.
4x=16
Add 8 and 8 to get 16.
x=\frac{16}{4}
Divide both sides by 4.
x=4
Divide 16 by 4 to get 4.
Examples
Quadratic equation
{ 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}