Solve for x
x = \frac{31}{12} = 2\frac{7}{12} \approx 2.583333333
Graph
Share
Copied to clipboard
-6+8x=15-4x+10
Multiply 2 and -3 to get -6.
-6+8x=25-4x
Add 15 and 10 to get 25.
-6+8x+4x=25
Add 4x to both sides.
-6+12x=25
Combine 8x and 4x to get 12x.
12x=25+6
Add 6 to both sides.
12x=31
Add 25 and 6 to get 31.
x=\frac{31}{12}
Divide both sides by 12.
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}