Solve for x
x=-36
Graph
Share
Copied to clipboard
\frac{13}{18}x+13-\frac{7}{12}x=8
Subtract \frac{7}{12}x from both sides.
\frac{5}{36}x+13=8
Combine \frac{13}{18}x and -\frac{7}{12}x to get \frac{5}{36}x.
\frac{5}{36}x=8-13
Subtract 13 from both sides.
\frac{5}{36}x=-5
Subtract 13 from 8 to get -5.
x=-5\times \frac{36}{5}
Multiply both sides by \frac{36}{5}, the reciprocal of \frac{5}{36}.
x=-36
Multiply -5 times \frac{36}{5}.
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}