Question

I am thinking of a number. It has two digits. When I reverse the digits and then add the new number to the original number I get 33. What is my number?

Answer 1

I am thinking of a number. It has two digits. When I reverse the digits and then add the new number to the original number I get 33. What is my number?

Let

the number xy

so

Reverse the digits yx

xy+yx=33

10x+10y=30 ------> equation 1

y+x=3 ----> equation 2

solve the system by graphing

the syste