Solve for x
x=2
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3x+2\times 4x=22
Multiply both sides of the equation by 6, the least common multiple of 2,3.
3x+8x=22
Multiply 2 and 4 to get 8.
11x=22
Combine 3x and 8x to get 11x.
x=\frac{22}{11}
Divide both sides by 11.
x=2
Divide 22 by 11 to get 2.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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