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7 August, 11:10

За + 4 = a + 18

solve for a

+2
Answers (2)
  1. 7 August, 11:13
    0
    A would be 7. Shown above
  2. 7 August, 11:16
    0
    3a + 4 = a + 18

    -4 - 4

    3a = a + 14

    -a - a

    2a = 14

    /2 / 2

    (Divided 2 on both sides)

    a = 7
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