Answer:
n = -6
Explanation:
We can allow n to represent the unknown number.
- Two times the number is 2n and 1 less than gives us 2n - 1
- Four times the number is 4n and 11 more than gives us 4n + 11
Now, we can set the two expressions equal to each other to find the number, n:

Finally, we can check if the number fits the equation and the verbal expression by plugging in -6 for n:
Algebraically:
2(-6) - 1 = 4(-6) + 11
-12 - 1 = -24 + 11
-13 = -13
Verbally:
Two times the number -6 is -12 and 1 less than - 12 is -13
Four times the number -6 is -24 and 11 more than this is -13