SOLUTION: 3r - 5s = -33 5r + 3s = 47

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Question 161890: 3r - 5s = -33
5r + 3s = 47
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3r - 5s = -33 MULTIPLY THIS EQUATION BY 3
5r + 3s = 47 MULTIPLY THIS EQUATION BY 5 & ADD THEM.
9R-15S=-99
25R+15S=235
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34R=136
R=136/34
R=4 ANSWER.
3*4-5S=-33
12-5S=-33
-5S=-33-12
-5S=-45
S=-45/-5
S=9 ANSWER.
PROOF:
5*4+3*9=47
20+27=47
47=47