Question

4. If two times a number increased by 5 equals 9, then find the number

Answer 1

Answer: x = 2

Explanation:

Let x represent the unknown number:

2x + 5 = 9

Subtract 5 from both sides

2x = 4

Divide both sides by 2

x = 2

Answer 2

2x + 5 = 9
2x = 4, x = 2
Solution: the number is 2