SOLUTION: how to determine if (2,-1) are solutions to 4r+3s=5

Question 293066: how to determine if (2,-1) are solutions to 4r+3s=5
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sub the numbers for r and s, see if it equals 5.
Is r = 2 and s = -1, or vice versa? Try it both ways, since it's not defined.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
determine if (2,-1) are solutions to 4r+3s=5
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Substitute and see if you get a true statement:
4*2 + 3(-1) = 5
8 - 3 = 5
5 = 5
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r = 2 and s = -1 is a solution pair.
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Cheers,
Stan H.
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