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4 ( 3x+10y=54 and x=y+5 )
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4 ( 3x+10y=54 and x=y+5 )

User Susheel Karam
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1 Answer

9 votes

Answer:

x−y=9 , x+y=6

4x+4y=1

, 6x−y=1

x2−y=2

, 2x−y=−1

Step-by-step explanation:

User Hamid Bayat
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