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प्रश्न
Simplify: 2x-[5y- (3x -y) + x]
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उत्तर
2x - [5y - (3x - y) + x]
= 2x – {5y – 3x +y + x}
= 2x – 5y + 3x -y – x
= 2x + 3x – x – 5y – y
= 4x – 6y
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