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प्रश्न
Evaluate :
7x − 9y + 3 − 3x − 5y + 8
उत्तर
7x − 9y + 3 − 3x − 5y + 8
= 7x − 3x − 9y − 5y + 3 + 8
= 4x − 14y + 11
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