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प्रश्न
Add : a − 3b + 3; 2a + 5 − 3c; 6c − 15 + 6b
बेरीज
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उत्तर
a − 3b + 3
2a − 3c + 5
+ 6b + 6c − 15
3a + 3b + 3c − 7
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Combining like Terms
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