SOLUTION: solve using the substitution method 5x+3y=80 2x+y=30

SOLUTION: solve using the substitution method 5x+3y=80 2x+y=30

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Question 930348: solve using the substitution method
5x+3y=80
2x+y=30
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
From eq. 2,

Substitute into eq. 1,

Then,

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