1. x+y=82
2. y=2x+1
Substitute 2. into the x+y=82, as 2. is the y part of that.
So...... x+(2x+1)=82 therefore x=27
Now we use 2. to then input the answer.
So..... y=2(27)+1
y=55
So the answer would be........ x=27 (smaller number) and y=55 (larger number)