Solve for x
x=\frac{4}{5}=0.8
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Linear Equation
5 problems similar to:
\frac { 2 x } { 3 } + \frac { x } { 6 } = \frac { 2 } { 3 }
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2\times 2x+x=4
Multiply both sides of the equation by 6, the least common multiple of 3,6.
4x+x=4
Multiply 2 and 2 to get 4.
5x=4
Combine 4x and x to get 5x.
x=\frac{4}{5}
Divide both sides by 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}