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3 August, 11:12

Solve - 6f + 13 = 2f - 11

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Answers (2)
  1. 3 August, 11:17
    0
    f = 3

    Step-by-step explanation:

    Solve for f:

    13 - 6 f = 2 f - 11

    Subtract 2 f from both sides:

    13 + (-6 f - 2 f) = (2 f - 2 f) - 11

    -6 f - 2 f = - 8 f:

    -8 f + 13 = (2 f - 2 f) - 11

    2 f - 2 f = 0:

    13 - 8 f = - 11

    Subtract 13 from both sides:

    (13 - 13) - 8 f = - 13 - 11

    13 - 13 = 0:

    -8 f = - 13 - 11

    -13 - 11 = - 24:

    -8 f = - 24

    Divide both sides of - 8 f = - 24 by - 8:

    (-8 f) / (-8) = (-24) / (-8)

    (-8) / (-8) = 1:

    f = (-24) / (-8)

    The gcd of - 24 and - 8 is - 8, so (-24) / (-8) = (-8*3) / (-8*1) = (-8) / (-8) * 3 = 3:

    Answer: f = 3
  2. 3 August, 11:41
    0
    Answer and explanation:

    This is what you start off with:

    -6f + 13 = 2f - 11

    You want to figure out what f equals - 6f + 13 = 2f - 11

    Start off by adding 11 to both sides + 11 + 11

    Get the f's alone on one side - 6f + 24 = 2f

    Then add 6f to both sides + 6f + 6f

    Try to get f alone 24 = 8f

    Divide by 8 to get f 3 = f

    f = 3
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