Question

solve using cross multiplication method x+4y=3 and 2x+9y=5​

Answer 1

Answer:

x+4y=3.....1

2x+9y=5.......2

mutiply 2 to eq 1st

2x+8y=2.....3

2x+9y=5......2

by subtracting eq 3-2 we get

-y=-3 ie y =3

put y=3 in eq 1

we get x+12=3

x=3-12

x=-9

(x=-9)

(y=3)