SOLUTION: Is the point (3,-1) on the graph of 4x - y = 13?

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Question 366322: Is the point (3,-1) on the graph of 4x - y = 13?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute directly: 4*3 - -1 = 12+1 = 13. The coordinates of the point check out into the equation, so the point is on the line.