subtract 2x +3y - z from the sum of 5x -y +2z and 3x + 2y - 5z
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Answer:
6x - 2y - 2z
Step-by-step explanation:
(5x - y + 2z) + (3x + 2y - 5z) - (2x + 3y - z)
= (5x - y + 2z + 3x + 2y - 5z) - (2x + 3y - z)
= (8x + y - 3z) - (2x + 3y - z)
= 8x + y - 3z - 2x - 3y + z
= 6x - 2y - 2z
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