Question 241943
xy=3(x+y)
xy=3x+3y
-3y+xy=3x
y(x-3)=3x
y=3x/(x-3)
.
A whole number is any positive integer and zero.
Look at the graph below.
There are the only 2 answers:
0 and 0.
4 and 12
.
Ed
.
{{{graph(500,500,-20,+20,-20,+20,3x/(x-3))}}}