Graphs to solve linear and non linear equations - class-XI

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Multiple Choice

The equation of a line parallel to $x+2y=1$ and passing through the point of intersection of the lines $x-y=4$ and $3x+y=7$ is ?

  1. $x+2y=5$
  2. $4x+8y-1=0$
  3. $4x+8y+1=0$
  4. none of these
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