Solve...3x+2y=9xy,9x+4y=21xy
Answers
Answer:X=1/3and y=1
Step-by-step explanation:3x+2y=9xy_eq1
9x+4y=21xy_eq2
Multiply by 2in eq1
2(3x+2y=9xy)
6x+4y=18xy_eq3
Substitute eq3 from eq2 by substitution method
9x+4y=21xy
6x+4y=18xy
(-). (-)
3x. =3xy.
3x/3x=y
Y=1
Put it on eq1
3x+2(1)=9x(1)
2=9x-3x
2=6x
X=1/3
Hope it will help you