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15 March, 08:04

F (x+2) = 3x + 5 find the value

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Answers (2)
  1. 15 March, 08:19
    0
    X+2=3x-5

    3x-5=x+2

    3x-x=2+5

    2x=7

    x=7/2
  2. 15 March, 08:28
    0
    If F wasn't unknown cause it cannot be then:

    x+2 = 3x+5

    -2x = 3

    x = - 3/2
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