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प्रश्न
Add : 3b − 7c + 10, 5c − 2b − 15, 15 + 12c + b
बेरीज
उत्तर
3b − 7c + 10
−2b + 5c − 15
+b + 12c + 15
2b + 10c + 10
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Combining like Terms
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