Question

(2x +5y) + (4x - 8z) + (15z-6y)+(z-2x)​

Answer 1

Answer:

4x - y + 8z

Explanation:

$2x + 5y + 4x - 8z + 15z - 6y + z - 2x \\ 2x + 4x - 2x + 5y - 6y - 8z + 15z + z \\ 4x - y + 8z$

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