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Maths Pair of Linear Equations in Two Variables Medium

Are the following pair of linear equations consistent? Justify your answer. (i) -3x - 4y = 12 and 4y + 3x = 1…

Are the following pair of linear equations consistent? Justify your answer.
  1. (i)-3x - 4y = 12 and 4y + 3x = 12.
  2. (ii)(3/5)x - y = 1/2 and (1/5)x - 3y = 1/6.
  3. (iii)2ax + by = a and 4ax + 2by - 2a = 0; a, b not equal to 0.
  4. (iv)x + 3y = 11 and 2(2x + 6y) = 22.

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