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17 May, 16:59

3b+1.89+5b+3.15=77.04

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Answers (2)
  1. 17 May, 17:11
    0
    b=9

    Step-by-step explanation:

    move the constant to the right which makes it 8b + 5.04=77.04

    then subtract 77.04 - 5.04 which = 8b = 72
  2. 17 May, 17:11
    0
    b=9.00125
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