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For all real values of c , the pair of e...

For all real values of c , the pair of equations `x - 2y = 8` and `5x - 10y = c` have a unique solution. Justify whether it is true of false .

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For the real values of c , the pair of equations x - 2y = 8 5x - 10 y = c have a unique solution . Justify whether it is true or false.

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