SOLUTION: Stepdaughter called from Oregon with this problem.... 3x + y =18 ---------- x +3y = 14

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Question 107032: Stepdaughter called from Oregon with this problem....

3x + y =18
----------
x +3y = 14

Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
multiplying first equation by -3 gives -9x-3y=-54 ... adding second equation gives -8x=-40, so x=5

5+3y=14 ... 3y=9 ... y=3

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