Khloe is thinking of a number that is 2 times the value of carl's number. khloe's number is also 2 more than 4 times the value of carl's number. what is khloe's number?

Lets x is Carl's number
Khloe is thinking of a number that is 2 times the value of Carl's number = 2x

Khloe's number is also 2 more than 4 times the value of Carl's number: 4x + 2 

4x + 2 = 2x
2x = -2
x = -1

Carl's number  = -1
Khloe's number = 2(-1) = -2

double check:

4x + 2 = 4(-1) + 2 = -2

Khloe's number is -2