Question 622320
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Hi,
3) x+ y=2
  2x+2y=4 
5) y=3x-5
 -3x +y =-5
 -6x+2y=-10     | 3) and 5) The systems are identical Lines, Infinite amount of Solutions

2) 4y-6x=1
   <u>2y-3x=4</u>    | multiplying 2nd thru by -2,   0 &#8800; -7  NO solution

1) 2x+y=10
   2x-3y=5   (4.375,1.25)     
4) 4x+5y=12
   2x-y=6     (3,0)