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

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asked Jan 30, 2018 in Mathematics by sforrest072 (157,439 points) ● 61 ● 410 ● 939
edited Mar 5, 2018 by faiz
For all real values of c, the pair of equations x-2y=8, 5x+10y=c; have a unique solution. Justify whether it is true or false.

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answered Jan 30, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Jan 30, 2018 by sforrest072
 
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So, for all real values of c, the given pair of equations have a unique solution'
.'. The given statement is true'

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