Question

If 9 is subtracted from two-thirds of a number, the result is 7. Find the number.

Answer 1

Let , the number be x

Therefore ,

2x / 3 - 9 = 7

2x - 27 / 3 = 7

2x - 27 = 21

2x = 21 + 27

2x = 48

x = 48 / 2

x = 24

•°• The number ( x ) is 24

___________

Verification :-

24 × 2 / 3 - 9

= 8 × 2 - 9

= 16 - 9

= 7 [ • Proved ]