Question

If -10 is added to a number and the sum is doubled, the result is 18 less than the number. Find the number.

Answer 1

Explanation:

If 10 is added to a number and the sum is doubled, the result is -17 less than the number. 2(x+10)=x-17 2x+20=x-17 x =-37. The number is -37.