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29 April, 08:58

If 3x + 7y = 37 and x = 3, then y =

+4
Answers (1)
  1. 29 April, 09:04
    0
    y = 4

    Step-by-step explanation:

    Given

    3x + 7y = 37 ← substitute x = 3 into the equation

    3 (3) + 7y = 37, that is

    9 + 7y = 37 (subtract 9 from both sides)

    7y = 28 (divide both sides by 7)

    y = 4
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