Subtract x- 2y-z from the sum of 3x-y+z and x+y- 3z
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Step-by-step explanation:
translate 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 from Arabic
Answered by
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
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