Solve for x
x = \frac{6767}{70} = 96\frac{47}{70} \approx 96.671428571
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150.4-438.75=50-3.5x
Add 150 and 0.4 to get 150.4.
-288.35=50-3.5x
Subtract 438.75 from 150.4 to get -288.35.
50-3.5x=-288.35
Swap sides so that all variable terms are on the left hand side.
-3.5x=-288.35-50
Subtract 50 from both sides.
-3.5x=-338.35
Subtract 50 from -288.35 to get -338.35.
x=\frac{-338.35}{-3.5}
Divide both sides by -3.5.
x=\frac{-33835}{-350}
Expand \frac{-338.35}{-3.5} by multiplying both numerator and the denominator by 100.
x=\frac{6767}{70}
Reduce the fraction \frac{-33835}{-350} to lowest terms by extracting and canceling out -5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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}