Solve for x
x=5
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x=-\frac{5}{18}\left(-18\right)
Multiply both sides by -18.
x=\frac{-5\left(-18\right)}{18}
Express -\frac{5}{18}\left(-18\right) as a single fraction.
x=\frac{90}{18}
Multiply -5 and -18 to get 90.
x=5
Divide 90 by 18 to get 5.
Examples
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Linear equation
y = 3x + 4
Arithmetic
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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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