Question

verify that (x+y=y+x) x=2/3,y=-3/7​

Answer 1

x=2/3

y= -3/7

we will put the values of x and y in place of (x+y=y+x)

so,  

       [2/3 +(-3/7)] = [(-3/7) + 2/3]

            14-9 /21  = -9+14 / 21

                   5/21 = 5/21