Question

solve x -y=1 and 2x +y =8

Answer 1

Answer:

x-y=1

2x+y=8

add both

x-y=1

+2x+y=8

3x=9

x=3

x-y=1

3-y=1

y=2

Answer 2

Step-by-step explanation:

x-y=1........(1)

2x +y =8......(2)

add 1 and 2

3x=9

on adding..........[y +(-y)=0]

x=9/3

x=3

__________

For y

put x=3 in 1st equation

3-y=1

-y=1-3

-y= -2

y=2