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15 April, 23:09

Mika is thinking of a number. She tells Jonas that adding 1 to the opposite of her number will result in the number 7. What is Mika's number?

+1
Answers (2)
  1. 15 April, 23:25
    0
    N is the number

    -n is the oposite of that number

    1 + (-n) = 7

    1-n=7

    minus 1 from both sides

    1-1-n=7-1

    0-n=6

    -n=6

    times - 1 both sides

    n=-6

    her number is - 6
  2. 15 April, 23:38
    0
    6 the answer is 6. = + }
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