If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number?
- x < 2
- x < 3
- x < 4
- x < 5
-
x < 6
The correct answer is: E
Explanation
At most 5 = less than or equal to 5
2x - 7 ≤ 5
2x ≤ 5 + 7
2x ≤ 12
divide through by 2
x ≤ 6