3 years ago

Which of the following is the solution to 3/x + 2/(x+1) = 3/5x?

Mathematics

1 answer:

sergey [27]3 years ago

3 0

Answer:

3/x + 2/(x+1) = 3/5x

[3 · 5(x + 1) + 2 · 5x] / 5x(x + 1) = 3(x + 1) / 5x(x + 1)

3 · 5(x + 1) + 2 · 5x = 3(x + 1)

15x + 15 + 10x = 3x + 3

15x + 10x - 3x = -15 + 3

22x = -12

x = -12/22 = -6/11

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