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प्रश्न
Solve the following equation: 5y – 15 = 27 -2y
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उत्तर
5y – 15 = 27 -2y
⇒ 5y + 2y - 15 = 27 - 2y + 2y (Adding 2y to both sides)
⇒ 7y - 15 = 27
⇒ 7y - 15 + 15 = 27 + 15 ...(Adding 15 to both sides)
⇒ 7y = 42
⇒ `"7y"/7 = 42/7` ...(Dividing by 7)
⇒ y = 6
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