Solve for x
x=\frac{140}{223}\approx 0.627802691
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\frac{1}{4}\times 2x+\frac{1}{4}\left(-3\right)-\frac{3}{5}x=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Use the distributive property to multiply \frac{1}{4} by 2x-3.
\frac{2}{4}x+\frac{1}{4}\left(-3\right)-\frac{3}{5}x=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Multiply \frac{1}{4} and 2 to get \frac{2}{4}.
\frac{1}{2}x+\frac{1}{4}\left(-3\right)-\frac{3}{5}x=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Reduce the fraction \frac{2}{4} to lowest terms by extracting and canceling out 2.
\frac{1}{2}x+\frac{-3}{4}-\frac{3}{5}x=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Multiply \frac{1}{4} and -3 to get \frac{-3}{4}.
\frac{1}{2}x-\frac{3}{4}-\frac{3}{5}x=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Fraction \frac{-3}{4} can be rewritten as -\frac{3}{4} by extracting the negative sign.
-\frac{1}{10}x-\frac{3}{4}=\frac{9}{4}\left(-5x+3\right)-\frac{1}{2}
Combine \frac{1}{2}x and -\frac{3}{5}x to get -\frac{1}{10}x.
-\frac{1}{10}x-\frac{3}{4}=\frac{9}{4}\left(-5\right)x+\frac{9}{4}\times 3-\frac{1}{2}
Use the distributive property to multiply \frac{9}{4} by -5x+3.
-\frac{1}{10}x-\frac{3}{4}=\frac{9\left(-5\right)}{4}x+\frac{9}{4}\times 3-\frac{1}{2}
Express \frac{9}{4}\left(-5\right) as a single fraction.
-\frac{1}{10}x-\frac{3}{4}=\frac{-45}{4}x+\frac{9}{4}\times 3-\frac{1}{2}
Multiply 9 and -5 to get -45.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{9}{4}\times 3-\frac{1}{2}
Fraction \frac{-45}{4} can be rewritten as -\frac{45}{4} by extracting the negative sign.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{9\times 3}{4}-\frac{1}{2}
Express \frac{9}{4}\times 3 as a single fraction.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{27}{4}-\frac{1}{2}
Multiply 9 and 3 to get 27.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{27}{4}-\frac{2}{4}
Least common multiple of 4 and 2 is 4. Convert \frac{27}{4} and \frac{1}{2} to fractions with denominator 4.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{27-2}{4}
Since \frac{27}{4} and \frac{2}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{1}{10}x-\frac{3}{4}=-\frac{45}{4}x+\frac{25}{4}
Subtract 2 from 27 to get 25.
-\frac{1}{10}x-\frac{3}{4}+\frac{45}{4}x=\frac{25}{4}
Add \frac{45}{4}x to both sides.
\frac{223}{20}x-\frac{3}{4}=\frac{25}{4}
Combine -\frac{1}{10}x and \frac{45}{4}x to get \frac{223}{20}x.
\frac{223}{20}x=\frac{25}{4}+\frac{3}{4}
Add \frac{3}{4} to both sides.
\frac{223}{20}x=\frac{25+3}{4}
Since \frac{25}{4} and \frac{3}{4} have the same denominator, add them by adding their numerators.
\frac{223}{20}x=\frac{28}{4}
Add 25 and 3 to get 28.
\frac{223}{20}x=7
Divide 28 by 4 to get 7.
x=7\times \frac{20}{223}
Multiply both sides by \frac{20}{223}, the reciprocal of \frac{223}{20}.
x=\frac{7\times 20}{223}
Express 7\times \frac{20}{223} as a single fraction.
x=\frac{140}{223}
Multiply 7 and 20 to get 140.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
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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}