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प्रश्न
Evaluate:
(6y − 13) − (4 − 7y)
बेरीज
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उत्तर
(6y − 13) − (4 − 7y)
= 6y − 13 − 4 + 7y
= 6y + 7y − 13 − 4
= 13y − 17
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