Solve for x
x=0.16
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4x=0.64
Combine 5x and -x to get 4x.
x=\frac{0.64}{4}
Divide both sides by 4.
x=\frac{64}{400}
Expand \frac{0.64}{4} by multiplying both numerator and the denominator by 100.
x=\frac{4}{25}
Reduce the fraction \frac{64}{400} to lowest terms by extracting and canceling out 16.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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]
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\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
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