Solve for K
K=8
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2\times 4=K
Multiply both sides by 4, the reciprocal of \frac{1}{4}.
8=K
Multiply 2 and 4 to get 8.
K=8
Swap sides so that all variable terms are on the left hand side.
Examples
Quadratic equation
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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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