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27 August, 08:27

Your friend incorrectly says the solution to the equation 11.2y - 7.4y=141.36 is y=7.6 what error did your friend make?

A) Divided incorrectly

B) Added 7.4y+11.2y

C) Solved for 1/y instead of y

D) Subtracted like terms incorrectly

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Answers (1)
  1. 27 August, 08:57
    0
    The error is clearly choice B.

    11.2y - 7.4y should be subtracted not added.

    Answer: Choice B
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