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6-2k=2\left(\frac{8}{9}+\frac{27}{9}\right)
Convert 3 to fraction \frac{27}{9}.
6-2k=2\times \frac{8+27}{9}
Since \frac{8}{9} and \frac{27}{9} have the same denominator, add them by adding their numerators.
6-2k=2\times \frac{35}{9}
Add 8 and 27 to get 35.
6-2k=\frac{2\times 35}{9}
Express 2\times \frac{35}{9} as a single fraction.
6-2k=\frac{70}{9}
Multiply 2 and 35 to get 70.
-2k=\frac{70}{9}-6
Subtract 6 from both sides.
-2k=\frac{70}{9}-\frac{54}{9}
Convert 6 to fraction \frac{54}{9}.
-2k=\frac{70-54}{9}
Since \frac{70}{9} and \frac{54}{9} have the same denominator, subtract them by subtracting their numerators.
-2k=\frac{16}{9}
Subtract 54 from 70 to get 16.
k=\frac{\frac{16}{9}}{-2}
Divide both sides by -2.
k=\frac{16}{9\left(-2\right)}
Express \frac{\frac{16}{9}}{-2} as a single fraction.
k=\frac{16}{-18}
Multiply 9 and -2 to get -18.
k=-\frac{8}{9}
Reduce the fraction \frac{16}{-18} to lowest terms by extracting and canceling out 2.