Question

Im thinking of a number. When i subtract 5, then add 13, then multiply by -2, i get 10. what is my number

Answer 1

Answer: your conceived number is -13

Explanation:

Let the conceived number be x

Hence,

`(x-5+13)(-2)=10\\\\`

Divide both parts of the equation by -2:

`x-5+13=-5\\\\x+8=-5\\\\x+8-8=-5-8\\\\x=-13`

Answer 2

Answer: 4

explanation: with the numbers given you preform the opposite

10+2=12

12-13= -1

-1+5=4