Solve for x
x = \frac{17}{5} = 3\frac{2}{5} = 3.4
Assign x
x≔\frac{17}{5}
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x=\frac{30}{5}-\frac{13}{5}
Convert 6 to fraction \frac{30}{5}.
x=\frac{30-13}{5}
Since \frac{30}{5} and \frac{13}{5} have the same denominator, subtract them by subtracting their numerators.
x=\frac{17}{5}
Subtract 13 from 30 to get 17.
Examples
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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
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Limits
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