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प्रश्न
Add : 8x − 3y + 7z, −4x + 5y − 4z, −x − y − 2z
योग
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उत्तर
8x − 3y + 7z
−4x + 5y − 4z
−x − y − 2z
3x + y + z
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Combining like Terms
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