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प्रश्न
Solve: 7x - 3x + 2 = 22
बेरीज
उत्तर
7x - 3x + 2 = 22
⇒ 7x - 3x = 22 - 2
⇒ 4x = 20
⇒ x = `20/4`
⇒ x = 5
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