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3x+y=8

4x+6y=6

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1 answer

  1. This appears to be the easiest way:

    from 3x+y = 8 ---> y = 8-3x
    sub into 4x + 6y = 6
    4x + 6(8-3x) = 6
    4x + 48 - 18x = 6
    -14x = -42
    x = 3 , then y = 8-9 = -1

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