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?

Question

Mathematics

Francisco Garner

5 April, 08:22

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)

Know the Answer?

Tanya · Answer 1

6 the answer is 6. = + }

Johan Hawkins · Answer 2

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