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1. If 2x - y = 4 then 6x - 3y =?

  • A. 12
  • B. 12
  • C. 12
  • D. 12

Answer: Option A

Explanation:

Hints : 2x - y = 4

3(2x - y) = 3 × 4 [ both side 3 multiply]

6x - 3y = 12

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