Question 30984
Let the first number be x
Let the second number be y
now:
x-y=18
y=18+x (subsitution)
2x+3y=74
Use subsitution for y:
2x+3(18+x)=74
2x+3x=74-54
5x=20
x=4
y=18+4
y=22


Hence, the two numbers are 22 and 4.
Paul.