X + Y is equal to 5 and 2 x minus 3 Y is equal to 4 by cross multiplication method
Answers
Answered by
1
x+y=5
2x-3y=4
cross multiplication:
x y 1
1 5 1 1
-3 4 2 -3
x/4+15=y/10-4=1/-3-2
x/19=y/6=1/-5
x/19=1/-5 y/6=1/-5
-5×x=19×1 -5×y=1×6
x=-19/5 y=-6/5
Similar questions