Question

the sum of 3x-y+z and x+y-3z​

Answer 1

Answer:

(3x – y + z) + (x + y – 3z) – (x – 2y – z)

= 3x – y + z + x + y – 3z – x + 2y + z

= 3x + x – x – y + y + 2y + z + z – 3z

= 3x + 2y – z

Step-by-step explanation:

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