SOLUTION: Solve using the substitution method:
r=-3s
r+4s=10
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Question 376292: Solve using the substitution method:
r=-3s
r+4s=10
Found 2 solutions by user_dude2008, Fombitz:
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
r+4s=10
-3s+4s=10
s=10
r=-3s=-3(10)=-30
Answers: r=-30, s=10
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Substitute eq. 1 into eq. 2 directly,
Then from eq. 1,
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