(x plus y plus 2x minus 4 minus y)=0 and x minus y=5

Hi I really need the answer to this, I tried but I keep getting no real roots. Help please!
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1 Answer

1. x-y=5 or y=x-5

2. x+y+2x-4-y=0...become 3x=4, so x=4/3

y=x-5=(4/3)-5
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