SOLUTION: 5r-2s=37 2r+5s=38 Solve using the elimination method?

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Question 378961: 5r-2s=37
2r+5s=38
Solve using the elimination method?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
5r-2s=37
2r+5s=38
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Multiply 1st by 2; Multiply 2nd by 5.
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10r-4s = 74
10r+25s = 190
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Subtract 1st from 2nd and solve for "s":
29s = 116
s = 4
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Substitute for "s" and solve for "r:
5r - 2*4 = 37
5r = 45
r = 9
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Cheers,
Stan H.