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What is the result when you add x+y +z and x−y−z , then subtract it to the suxm of x−y+ and x+y−z ?

a. x

b. 2x

c. 3x

d. 0



Sagot :

Answer:

D.

Step-by-step explanation:

syempre ma talino ka kung alam mong hi di yan ang sagot