Solve the equation: -5/4n = 40

My answer choices are: A: n = -50, B: n = -32, C: n = 32, D: n = 50

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03-06-2014
Mathematics

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Solve the equation: -5/4n = 40

My answer choices are: A: n = -50, B: n = -32, C: n = 32, D: n = 50

Sagot :

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Lilithidn Lilithidn · Answer 1 · 2014-06-03T19:43:39-04:00

Lilithidn Lilithidn

03-06-2014

[tex]- \frac{5}{4}n = 40\ \ / \cdot(-\frac{ 4}{5}) \\ \\- \frac{5}{4}\cdot(- \frac{4}{5})n = 40\cdot (-\frac{4}{5})\\ \\ n = 8\cdot (-4) \\ \\n=-32\\ \\ Answer: \ B: \ \ n = -32[/tex]

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