cross multiplication plz tell me answer
Attachments:
Answers
Answered by
1
Step-by-step explanation:
x+y-3=0.... equation 1
2x+y+2=0.... equation 2
2 3 1 2
y -3 x y
y 2 2 y
while cross multipying we get
x/y×-3 -y×2 y/-3×2 -2×x. 1/ x×y-2×y
x/(-3)-2. y/(-6)-(-2). 1/xy-2
x/5. y/-8. 1/-1
x/5=1/-1 y/-8=1/-1.
therefore x=-5,y=8
Similar questions