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10 February, 21:21

A = 3b + 9 solve for b

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Answers (2)
  1. 11 February, 00:09
    0
    I feel like i answered this before but it is:

    a-9

    3

    A minus 9 all over 3
  2. 11 February, 01:05
    0
    Solve for b.

    a=3b+9

    Flip the equation.

    3b+9=a

    Add - 9 to both sides.

    3b+9+-9=a+-9

    3b=a-9

    Divide both sides by 3.

    3b/3=a-9/3

    b=1/3a-3
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