3x+2y=14 2y=14-3x
2xy+5=21 x(14-3x)+5=21
14x-3x^2+5-21=0
3x^2-14x+16=0
(3x-8)(x-2)=0
x=8/3, x=2
y=3, y=4
so the answer is x=8/3, y=3 and x=2, y=4.
2xy+5=21 x(14-3x)+5=21
14x-3x^2+5-21=0
3x^2-14x+16=0
(3x-8)(x-2)=0
x=8/3, x=2
y=3, y=4
so the answer is x=8/3, y=3 and x=2, y=4.