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30 March, 17:57

Show me how to get an answer for:

1a + 18 = 7a

+3
Answers (2)
  1. 30 March, 19:02
    0
    Subtract the 1a from the 7a.

    1a + 18 = 7a

    -1a - 1a

    you're then left with 18=6a. divide the 6 with the 18 to cancel out.

    18=6a

    /6a / 6a

    18 divided by 6 is 3. So your answer is a=3
  2. 30 March, 20:30
    0
    1a+18=7a

    18=7a-1a

    18=6a

    6a=18

    a=18/6

    a=3
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