Solve for x
x=9
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3\times 3\pi =x\pi
Multiply both sides of the equation by 6, the least common multiple of 2,6.
9\pi =x\pi
Multiply 3 and 3 to get 9.
x\pi =9\pi
Swap sides so that all variable terms are on the left hand side.
x=9
Cancel out \pi on both sides.
Examples
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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