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2 October, 17:53

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

3

15

21

39

+1
Answers (1)
  1. 2 October, 19:04
    0
    15

    Step-by-step explanation:

    Given:

    5a - 10b = 45 b = 3,

    Finding the value of a, solving the equation, considering the value of b=3:

    5a - 10*3 = 45 5a = 45+30 5a = 75 a = 75/5 a = 15

    Correct choice is 15
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