Solve for x
x=\frac{1}{2}=0.5
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Linear Equation
5 problems similar to:
\frac { 4 x } { 9 } + \frac { 2 } { 3 } = \frac { 8 } { 9 } ?
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4x+6=8
Multiply both sides of the equation by 9, the least common multiple of 9,3.
4x=8-6
Subtract 6 from both sides.
4x=2
Subtract 6 from 8 to get 2.
x=\frac{2}{4}
Divide both sides by 4.
x=\frac{1}{2}
Reduce the fraction \frac{2}{4} to lowest terms by extracting and canceling out 2.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\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}