Question

Find the value of x and y in the equation xy=4 x+y=5

Answer 1

X=4/y
x+y=5
4/y+y=5   multiple each by y
4+y²=5y
y²-5y+4=0
Sum=-5 product=4
numbers -4,-1
y²-4y-y+4=0
y(y-4) -1(y-4)=0
(y-1)(y-4)=0
y-1=0 y-4=0
y=1 or 4
Xy=4
x=4

Answer 2

That is the correct answer ,bravo
Keep it up

Answer 3

X=4 y=3