SOLUTION: How do I Solve by the elimination method 5r-8s=32 8r+5s=69

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Question 328846: How do I Solve by the elimination method
5r-8s=32
8r+5s=69
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
5r-8s=32
8r+5s=69
Multiply eq. 1 by 5 and eq. 2 by 8 and add them together to eliminate s,
25r-40s%2B64r%2B40s=160%2B552
89r=712
r=8
THen use either equation to solve for s.
64%2B5s=69
5s=5
s=1