SOLUTION: What's the answer for : 3x + y = 1 x - 2y = 5

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Question 257174: What's the answer for :
3x + y = 1
x - 2y = 5

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

1.
2.
Multiply eq.l 1 by 2 and add to eq. 2,



Now use either eq. 1 or eq. 2 to solve for y,



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