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OpenStudy (anonymous):
Add: (8x + 2y – 3z – 4) + (–4x – 5y + 4z + 6) A. –4x + 3y – z + 2 B. 4x – 3y – z + 2 C. –4x + 3y –z – 2 D. 4x – 3y + z + 2
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OpenStudy (anonymous):
B
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