Question 548875
x y the numbers x>y

x-y=14...............1

3x=4y-45
3x-4y=45..............2

multiply (1) by -1 and add the equation to (2)

-3x+3y=-42
3x-4y=45
-y=3
y=-3
..
plug y in (1)
x-(-3)=14
x+3=14
x=11