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How do I tell whether the ordered pair is a solution of the given system ? {3x+y=4 and x-3y=-4
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How do I tell whether the ordered pair is a solution of the given system ? {3x+y=4 and x-3y=-4

User Marco Weber
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You plug the x and y values back into both equations. If both come out to be true statements ie. 4=4, 7=7 your answer is correct. If one or both of the equations turn into false statements, the ordered pair is not the solution to the system.
User Nosuic
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