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11-07-2017
Mathematics

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Find the value of a if the point (4,-2) lies on the line 2x+ay=14

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oiuoiuoiu oiuoiuoiu

11-07-2017

2x+ay=14
(4;-2)
2*4+a*(-2)=14
8-2a=14
2a=8-14
a= -3
2x-3y=14

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