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Q:

If 0.5x + 0.7y=0.5 and 0.7x + 0.5y=0.7,then the value of x+y is

  • 1
    1.2
  • 2
    1
  • 3
    0.5
  • 4
    0.7
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Answer : 2. "1"

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Maths Simplification Questions

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