19x – y – 2z + x + 5y + 2z

1 answer:

7 0

$19x - y - 2z + x + 5y + 2z \\ \\ (19x + x) + (-y+5y) + (-2z + 2z) \ / \ gather \ like \ terms \\ \\ 20x + 4y \ / \ simplify \\ \\ Answer: \fbox {20x + 4y}$

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