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30 August, 14:25

Find the value of the coefficient a in the equation ax+2y=8, if the solution to the equation is the pair x=2 and y=1.

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Answers (2)
  1. 30 August, 14:39
    0
    a = 3

    Step-by-step explanation:

    Simply substitute 2 for x and y for 1 and solve.

    This will get you 2a + 2 = 8

    Then simplifying, 2a = 6.

    a = 3.
  2. 30 August, 14:41
    0
    Answer: a=3

    Step-by-step explanation: a (2) + 2 (1) = 8 2a+2=8 2a=6 a=3
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