SOLUTION: 10r-20t=20 r+60t=-29

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Question 464613: 10r-20t=20
r+60t=-29
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
10r-20t=20
r+60t=-29
30r-60t=60
31r=31
r=1
t=-1/2..