Question

If x=-4/7andy=2/5, then verify that x-y not= y-x​

Answer 1

Answer:

x+y=-4/7+2/5

=(-20)+14/35

=-6/35

x-y=-4/7-2/5

=-20-14 /35

=-34/35

-6/35≠-34/35

x+y≠x-y

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