Question

which of the following does not show the commutative property?
a)xy-9=xy b)yx=xy c)x+y=y+x
d) 3+y=y+3​

Answer 1

Answer:

yx=xy and xy-9=xy

Step-by-step explanation:

these not show commutative property

because it is used as let's take eg of a+b =b+a

it is commutative. so in my ans there are expressions

which don't show commutative y