Solve for x
x = \frac{13}{6} = 2\frac{1}{6} \approx 2.166666667
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-x=\frac{5}{6}-3
Subtract 3 from both sides.
-x=\frac{5}{6}-\frac{18}{6}
Convert 3 to fraction \frac{18}{6}.
-x=\frac{5-18}{6}
Since \frac{5}{6} and \frac{18}{6} have the same denominator, subtract them by subtracting their numerators.
-x=-\frac{13}{6}
Subtract 18 from 5 to get -13.
x=\frac{13}{6}
Multiply both sides by -1.
Examples
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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]
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
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