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13 March, 10:58

Three times the sum of some number plus 2 is equal to 6 times the number minus 15.

O 21

O 7

-21

O - 7

+4
Answers (1)
  1. 13 March, 12:11
    0
    x=7

    Step-by-step explanation:

    3 (x+2) = 6x-15.

    3x+6 = 6x-15

    3x = 6x-21

    -3x = - 21

    x = 7
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