SOLUTION: Solve by substitution:3y+4x=5 x+y=1
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Question 405796: Solve by substitution:3y+4x=5 x+y=1
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
3(1-x)+4x=5
3-3x+4x=5
x=2
------------
3y+4*2=5
3y+8=5
3y=-3
y=-1
-----------------
2-1=1
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