Question

solve
x+2y=10
x-5y=20​

Answer 1

Answer:

Hey mate ur answer is in the attachment

Answer 2

x+2y=10...(1)

x-5y=20...(2)

By elimination method

x+2y=10

x-5y =20

- + -

7y=-10

y=(-10)/7

Put the value of y in equation (1)..

x+ 2(-10) = 10

7

7x-2(10)=70

7x=70+20

7x=90

x=90/7.... Ans ...