SOLUTION: x+y=9 x=2y solve with substitution method and can you give me the answer

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Question 701106: x+y=9 x=2y solve with substitution method and can you give me the answer
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
......eq. 1
...eq. 2......substitute in eq. 1

...solve for



now find
....substitute



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