Matching Pairs SEL SustituciónOnline version Aprendizaje significativo by Mayling Rodriguez 1 (1, 4) 2 x-y=2; -3x+5y=0 3 x-2y=0; x-y=12 4 x+y=7; 5x-2y=-7 5 4x+y=8; 2x-2y=-6 6 x+y=48; x-3y=4 (0, 3) (24, 12) (37, 11) (1, 4) (1, 6) (5, 3)