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20 June, 17:54

Make w the subject of the formula 5 (w + x) = 3x + 9

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Answers (2)
  1. 20 June, 18:26
    0
    w = 9 - 2x/5

    Step-by-step explanation:

    5 (w + x) = 3x + 9 ... open the bracket

    5w + 5x = 3x + 9

    Combine like terms:

    5w + 5x - 3x = 9

    5w + 2x = 9

    Make w the subject of the equation

    5w = 9 - 2x

    Divide both sides by 5

    w = 9 - 2x/5
  2. 20 June, 20:10
    0
    w = 3x+9/5 - x

    Step-by-step explanation:

    5 (w + x) = 3x + 9

    Divide both sides by 5 to eliminate 5 on the left side

    5 (w + x) / 5 = 3x + 9/5

    w + x = 3x + 9 / 5

    Subtract x from both sides to isolate w

    w + x - x = 3x+9 / 5 - x

    w = 3x+9/5 - x
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