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29 October, 20:02

Solve for b, then find the value of b when a = 3

4a=2b-7

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Answers (2)
  1. 29 October, 20:06
    0
    4*3=2b-7

    12=2b-7

    +7 + 7

    19=2b

    19:2=9.5

    2b:2=b

    9.5=b
  2. 29 October, 20:28
    0
    4 (3) = 2b-7

    12=2b-7

    +7 + 7

    19=2b

    19 divided by 2 = 9.5

    2b divided by 2 = b

    b=9.5
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