Question

(iii) 3x – 4y = 1, 4x + 2y = 5​

Answer 1

Answer:

3x-4y= 1+4x+2y=5

3x-4x=4y+2y=-1+5

-x=6y=6

Answer 2

Answer:

+3x-4y=1

+4x+2y=5

_______

+7x-2y=6 Ans

let,

(+,-)= -

(-,+)= -

(-,-)= -

(+,+)= +