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continued

4c=3d+3 c=d-1 i got (6,7)

x=1/2y+3 2x-y=6 i got no solution

8x+2y=13 4x+y=11 i got no solution

2x-y=-4 -3x+y=-9 i got (13,30)

3x-5y=11 x-3y=1 i got (7,2)

1 answer

all correct.