SOLUTION: help me solve -1 = 9/10(-9/10k + 1)

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Question 634301: help me solve -1 = 9/10(-9/10k + 1)
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
-10/9 = -9/10k + 1

-19/9 = -9/10k

k = (-19/9)/(-9/10) = 190/81