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18 December, 11:18

If 12a - 5 = 4a + 11, then a = what?

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Answers (2)
  1. 18 December, 13:21
    0
    a = 2

    Step-by-step explanation:

    12a - 5 = 4a + 11

    correct the like terms

    12a-4a = 11+5

    8a = 16

    divide by 8

    8a/8 = 16/8

    a = 2
  2. 18 December, 13:25
    0
    a=2

    Step-by-step explanation:

    12a - 5 = 4a + 11

    Subtract 4a from each side

    12a-4a - 5 = 4a-4a + 11

    8a - 5 = 11

    Add 5 to each side

    8a - 5+5 = 11+5

    8a = 16

    8a/8 = 16/8

    a = 2
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