The set {-5,2,4} contains the solution (s) to the following rational equation. (x+5) / (9x-18) = 1 / (x-2) Which values of the solution set are valid? A. - 5 only B. 4 only C. 2 and 4 D. - 5 and 2

Question

Mathematics

Addison Bray

18 March, 09:28

The set {-5,2,4} contains the solution (s) to the following rational equation. (x+5) / (9x-18) = 1 / (x-2) Which values of the solution set are valid? A. - 5 only B. 4 only C. 2 and 4 D. - 5 and 2

+4

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Johanna Romero · Answer 1

2 doesn't work, because that would give you 7/0 on the left ... therefore C and D are out. 4 works, giving. 5=.5, so you don't have to test - 5 since 4 and - 5 is not an option.