Thank you System Graph General solution xy x y0 3x 3y0 Che

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System: Graph: General solution: (x,y) = x+ y=0 3x + 3y=0 Check Clear Check Clear System: Graph: General solution: (x,y) - dne Check Clear x+2y=-5 3 2 1 kClear

Solution

the given system lines are -x + y =0

-3x+3y =0

-x +y =0 , so -x =-y

that is x=y

-3x +3y=0

-3x =-3y

x =y

both are same lines

so this has infinte number of solutions

2x-y =1

-x +2y=-5

multiply first line with 2

4x -2y =2 add this with second line

-x +2y =-5

3x = -3

x = -1

plug x=-1 in second one

-x +2y =-5

1 +2y =5

2y=4

y=2

solution is (-1,2)