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7 October, 12:24

A number increased by four is the same as 19-2 times the number

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  1. 7 October, 12:32
    0
    A+4=19-2*A.

    A+4=19-2A

    -4=-4

    A=15-2A

    +2A=+2A

    3A=15 A is the number

    :3 = : 3

    A=5

    step by step how to do the problem, hope it's how you were trying to solve it.
  2. 7 October, 12:39
    0
    N + 4 = 19 - 2n

    4 - 19 = - 2n - n

    -15 = - 3n

    -15/-3 = n

    5 = n <===
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