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22 November, 10:47

Solve the equation: - 2/5 n = - 30

A. n=-75

B. n=-12

C. n=12

D. n=75

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Answers (2)
  1. 22 November, 11:10
    0
    Assuming your equation is: - 2/5n = - 30

    -2/5n = - 30 < - We get rid of the "/5n" by multiplying each side by 5n

    -2 = - 30 * 5n

    -2 = - 150n

    -1 = - 75n

    75n = 1

    But this doesn't match up with any of your answers, so if you wouldn't mind giving me the equation again, i'll work it out
  2. 22 November, 11:15
    0
    two negatives make a positive, so the question is basically 2/5 x 30. 30/5 is 6, so 1/5 of 30 is 6. we want 2/5 so we double 1/5 and get 12. The correct answer is n.
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