SOLUTION: x+y=9 x=2y solve with substitution method
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Question 701103: x+y=9 x=2y solve with substitution method
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
2y+y=9
3y=9
y=9/3
y=3
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x+3=9
x=9-3
x=6
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x=2y
6=2*3
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