Question

x+y=7 , 3x-y=7 solve graphically​

Answer 1

Answer:

by elimination method adding equation 1 and 2 we get 4x =14 , x=7/2 by putting the value of x in 2 ,we get y=21/2-7/1=7/2 ,so values of x and y be same and x=y=7/2