Question

whether pair of linear equation 3 X + 2 Y - 7 =0 and 2 x - 4 Y + 9 =0 is consistent or not inconsistent

Answer 1

It is consistent because it has solution.
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Answer 2

a1 / a2 = 3/2

b1 / b2 = 2 / - 4 = - 1/2

a1/a2 is not equal to b1 / b2


So, these two equation will have a unique solution

So, It is consistent