Solve for k
k=\frac{6}{7}\approx 0.857142857
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k=\frac{3}{7}\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
k=\frac{3\times 2}{7}
Express \frac{3}{7}\times 2 as a single fraction.
k=\frac{6}{7}
Multiply 3 and 2 to get 6.
Examples
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Linear equation
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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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