Solve for x
x=4.52
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-5x=5.8-28.4
Subtract 28.4 from both sides.
-5x=-22.6
Subtract 28.4 from 5.8 to get -22.6.
x=\frac{-22.6}{-5}
Divide both sides by -5.
x=\frac{-226}{-50}
Expand \frac{-22.6}{-5} by multiplying both numerator and the denominator by 10.
x=\frac{113}{25}
Reduce the fraction \frac{-226}{-50} to lowest terms by extracting and canceling out -2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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]
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
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Limits
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