Question

if x+y=10and x-y=12 ​

Answer 1

Answer:

If x+y=10 and x-y=12,then option are a.x=11,y=1 , b. x=11,y=-1 , c.

Top answer

Answer 2

Answer:

x+y=10. x-y=12

x+y=10

x-y= 12

2x= 22

x=11

then x=11 put in equation x+y= 10

x+y= 10

11+y= 10

y = -1