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kryton1212
 3 years ago
The xcoordinate of the point of intersection of the straight lines 2x+ay7=0 and axy5=0 is 2. If a is an integer, find the value of a.
kryton1212
 3 years ago
The xcoordinate of the point of intersection of the straight lines 2x+ay7=0 and axy5=0 is 2. If a is an integer, find the value of a.

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RolyPoly
 3 years ago
Best ResponseYou've already chosen the best response.12x+ay7=0 (1) axy5=0 (2) From the second equation: y = ax5 (3) Sub. (3) into (1) 2x+a(ax5)7=0 (4) Sub x=2 into (4), then solve a I think it should work.

kryton1212
 3 years ago
Best ResponseYou've already chosen the best response.0thank you I got it:)
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