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12 March, 13:38

One increased by the difference between 18 and seven times a number is

-9

+2
Answers (1)
  1. 12 March, 14:49
    0
    (18-7x) + 1 = - 9

    Step-by-step explanation:

    the difference between 18 and seven times a number. First seven times a number is equal to 7x. Difference means subtract, so you get 18-7x. Now one increased is + 1. But we have to put 18-7x into parentheses because if we dont, 18-7x+1, simplifes into 19-7x
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