Respuesta :

Answer:

x+y=y+x

x=-3/5

y=-7/15

x+y    =    -3/5 + -7/15 = -45-35/75 = -80/75 = -6/5

y+x    =    -7/15 + -3/5 = -35-45/75 = -80/75 = -6/5

∴x+y=y+x

hope this answer helps you....

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