SOLUTION: If 3x+y=9, write the equation of any other line so that the system has infinitely many solutions.

Question 550092: If 3x+y=9, write the equation of any other line so that the system has infinitely many solutions.
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
When the two lines are the same line, the system has infinitely many solutions. Any equation that is the same line is a solution. Multiply the given solution by some constant to come up with another equation.

47*(3x+y=9) = 141x+47y=423

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