Question

2x - 9y = 1
x - 4y = 1​

Answer 1

2x - 9y = 1___(1)

x - 4y = 1___(2)

from(2)

x=1+4y

putting this value in (1)

2(1+4y)-9y=1

2+8y-9y=1

2-y=1

y=1

therefore,x=5