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Question:
Is the system of linear equations 2x 3y 9=0and 4x 6y 18=0 consistent
Answer:

Given, 2x + 3y + 9 = 0  ................1

and 4x + 6y + 18 = 0   .................2

Divide equation 2 by 2, we get

2x + 3y + 9 = 0  ................3

Now, equation 1 and 3 are same.

If there is only one equation and there are 2 variables, we can not find the values of these variables.

So, the given systems of equations are inconsistent.

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