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प्रश्न
Add : 4 + x, 5 – 2x and 6x
योग
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उत्तर
4 + x, 5 – 2x and 6x
= x - 2x + 6x + 4 + 5
= 7x - 2x + 9
= 5x + 9
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संबंधित प्रश्न
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