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5 September, 07:21

Solve this equation for a. 10a + 3 + 2a = 39

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Answers (2)
  1. 5 September, 07:54
    0
    10a+3+2a=39

    12a+3=39

    -3 - 3

    12a=36

    /12 / 12

    a=3
  2. 5 September, 08:40
    0
    10a+3+2a=39

    First simplify

    12a+3=39

    Then subtract 3 from both sides

    12a=36

    Then divide both sides by 12

    a=3
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