Question

A number consists of two digits. The digit in the ten's place is thrice times the digit in the unit's place. If 18 be subtracted from the number the digits are reversed ,find the number​

Answer 1

Answer:

21x - 18 = 12x

21x - 12x = 18

9x = 18

x = 2.

The original number = 21 x = 21(2) = 42.  

Hence :  

Answer : 42

Step-by-step explanation:

Answer 2

Answer:

31 is the original no. this is the correct answer