Question

solve equation x+4y=5and 3x+5y=8 using inversion method.​

Answer 1

Answer:

2x+1y =3

y = 3-2x

put this value in x+4y=5

x+3-2x=5

3-x=5

x= -2 ans

now similarly

x= -2 put in y=3-2x

y=3-2*-2

y=3+4

y=7 ans