How do you work out this problem 7=2/9+k

I need help working this out please.
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2 Answers

For 7=(2/9)+k, multiply the equation both sides by 9: 63=2+9k, so 9k=61, and k=61/9. For 7=2/(9+k), multiply both sides by (9+k): 7(9+k)=2. Open the brackets: 63+7k=2, so 7k=-61, and k=-61/7.

by Top Rated User (1.2m points)

Given 7=2/9+k
k=7-2/9
k=61/9

Online Math Help - http://math.tutorcircle.com/#online-math-help

by Level 8 User (30.1k points)

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