Weegy: The answer is X= -2/5
User: Given the equation of the line 5x + y = 10, find the missing number in the ordered pair (1, ?) that represents a point on this line.
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Given the equation of the line 5x + y = 10, the ordered pair (1, 5) represents a point on this line.
5(1) + (5) = 5 + 5 = 10
Added 7/16/2014 8:47:11 PM
This answer has been confirmed as correct and helpful.