Question

The sum of 15 and two times a number is 29. what is the number?

Answer 1

2x + 15 = 29

Subtract 15 from both sides : 2x = 14

Divide by 2 : x = 7

2(7) + 15 = 29

14 + 15 = 29

Answer 2

15 + 2x = 29

Subtract 15

2x = 14

Divide by 2

x = 7

The number is 7.