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1 October, 01:10

20 - 9w = 4 (15 - w) solve for w

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  1. 1 October, 02:51
    0
    20-9w=4 (15-w)

    20-9w=60-4w

    +9w + 9w

    20 = 60+5w

    -60 - 60

    -40=5w

    Divide by 5 on both sides to get w alone.

    -8 = w
  2. 1 October, 04:22
    0
    w = - 8

    Step-by-step explanation:

    step 1: (20 - 9w) - 4 • (15 - w) = 0

    step 2: - 5w - 40 = - 5 • (w + 8)

    step 3: - 5 • (w + 8) = 0

    step 4: Subtract 8 from both sides of the equation:

    w = - 8
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