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Q: If 3x-y=27, 3x+y=243 then find the x value

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Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: Given that 3x-y=27, 3x+y=243 ⇒3x-y =33 , 3x+y=35  => x-y=3, x+y=5  => x = 4

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