Question

Ex. 9 va rog mult! :) Daca mi-o rezolvati, dau coroana!:):):)

Answer 1

a)x.y=5
x=1,y=5
b)(x+1).y=4
x=3,y=1
c)(x+1).(y-1)=7
x=6,y=2
d)xy+y=3
x=2,y=1   (2.1+1)
e)xy-x=5
x=5,y=2    (5.2-5)
f)2xy+6y=8
x=1.y=1     (2.1.1+6.1)
g)(x+2).(y-3)=12
x=4,y=5     (6.2=12)