Question

The sum of the digits of a 2-digit number is 7. If the digits are reversed, the new number increased by 3 equals
4 times the original number. Find the original number.​

Answer 1

Answer:

position which gives

10y+x

on further analyzing question we get to know the the new number is increased by 3

10y+x+3

then they have given the number is 4times the original number

4(10y+x+3)= x+y

4(10y+x+3)=7

on substituting this u get the answer

hope this helps you❤️

Answer 2

Answer:

let the number be x and y

x+y=7

they said that if the digits are inversed it means from the above equation x is at tens place an y is at ones place this mean that they interchange there position which gives

10y+x

on further analyzing question we get to know the the new number is increased by 3

10y+x+3

then they have given the number is 4times the original number

4(10y+x+3)= x+y

4(10y+x+3)=7

On substituting this u get the answer and i know that you will do it by own.

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