Solve for x
x = \frac{16}{3} = 5\frac{1}{3} \approx 5.333333333
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\frac{3}{4}x=12-8
Subtract 8 from both sides.
\frac{3}{4}x=4
Subtract 8 from 12 to get 4.
x=4\times \frac{4}{3}
Multiply both sides by \frac{4}{3}, the reciprocal of \frac{3}{4}.
x=\frac{4\times 4}{3}
Express 4\times \frac{4}{3} as a single fraction.
x=\frac{16}{3}
Multiply 4 and 4 to get 16.
Examples
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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
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