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7 March, 23:47

What is the answer to this question 3a - 15 = 6

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Answers (2)
  1. 8 March, 00:31
    0
    a=7

    Step-by-step explanation:

    1) Add 15 to both sides

    3a=6+15

    2) Simplify 6+156+15 to 21

    a=21/3

    3) Simplify the fraction 21/3 to 7.

    a=7
  2. 8 March, 01:45
    0
    A=7

    3a-15=6

    +15 + 15

    (So add 15 to both sides)

    3a=21

    ---

    3

    (Divide both sides by 3)

    A=7
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