SOLUTION: solve each system by substitution x+3y=2 -x+y=1

SOLUTION: solve each system by substitution x+3y=2 -x+y=1

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Question 326455: solve each system by substitution
x+3y=2
-x+y=1
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
From eq. 2,

Substitute in eq. 1,

Then from above,

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