Question

What number can be decreased by six and then the result then doubled the to produce 24?

Answer 1

The number is x.
The number is decreased by six -> x-6
The result is doubled -> 2(x-6)


`2(x-6)=24 \\ x-6=(24)/(2) \\ x-6=12 \\ x=12+6 \\ x=18`

The number is 18.