One number is 23 of another number. the sum of the two numbers is 30. find the two numbers

Let the another number is x
And the sum of number is 30
And the one number is 23
x+23=30
x=30-23
x=7
the another number is 7

Y + 23 = 30
y + 23 - 23 = 30 - 23
y = 7

The two numbers are 23 and 7.