Question

. Prove the following properties by using whole number and check if they can correct.
(a) x - y + y = y - x + x
(b)(x - y) - z = x - (y - z)
please help me guys​

Answer 1

Answer:

(a) x-y=0

(b) -2z=0

Step-by-step explanation:

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Answer 2

Answer:

( a ) x-y=0

( b ) -2z= 0

please mark as brainlist