Question

Twice a number decreased by the sum of half the same number and 6 is equal to nine. What is the number?

Answer 1

10

Explanation:

`2x-(x/2+6)=9`

`2x-x/2-6=9`

`4x-x-12=18`

`3x=18+12`

`3x=30`

`x=10`