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27 November, 13:12

What is the value of a equation of a in the equation 5a - 10b = 45 when b = 3

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Answers (2)
  1. 27 November, 13:28
    0
    15.

    You'd get this by multiplying the - 10 by 3 then adding it to both sides. Then divide by 5.
  2. 27 November, 15:32
    0
    5a-10b = 45

    b = 3

    5a-30 = 45

    5a=75

    a = 15
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