System 2x2

(the database of solved problems)

All the problems and solutions shown below were generated using the System 2x2 calculator.

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ID	Problem	Count
51	Solve system $6 x - 4 y - 4 x + 8 y = 20 = 16$	6
52	Solve system $15 x - 4 y 20 x - 3 y = 530 = 995$	6
53	Solve system $- 3 x + 5 y x + 4 y = - 7 = - 14$	6
54	Solve system $- 5 x + y 5 x - y = - 5 = 5$	6
55	Solve system $\frac{71}{100} x - \frac{87}{100} y \frac{71}{100} x + \frac{1}{2} y = 0 = 100$	6
56	Solve system $\frac{17}{5} x + \frac{251}{5} y \frac{21}{10} x + \frac{11}{20} y = \frac{89}{2} = \frac{59}{10}$	6
57	Solve system $- 4 x + 8 y - 2 x + 3 y = - 4 = 7$	6
58	Solve system $x + 4320000 y \frac{1}{1000} x + 11000 y = 0 = 2$	6
59	Solve system $14460 x - 9820 y - 9820 x + 16510 y = 5 = \frac{33}{10}$	6
60	Solve system $x + y 2 x + 4 y = \frac{13}{5} = \frac{27}{10}$	6
61	Solve system $2 x + 4 y 4 x + 3 y = 5 = 10$	6
62	Solve system $4 x - 5 y 2 x - 8 y = - 10 = 6$	6
63	Solve system $- \frac{23}{25} x + \frac{1}{4} y \frac{1}{4} x - y = \frac{133}{100} = \frac{7}{2}$	6
64	Solve system $x + y 110 x - 180 y = 1 = 0$	6
65	Solve system $\frac{1}{2} x + 39 y - 2 x - 8 y = 59 = 0$	6
66	Solve system $- x + 3 y - 3 y = 9 = - 9$	6
67	Solve system $2 x + 3 y 5 x - 3 y = 11 = - 4$	6
68	Solve system $66 x + 56 y 66 x + 65 y = 39 = 93$	6
69	Solve system $14700 x - 10000 y - 10000 x + 16800 y = 5 = - \frac{33}{10}$	6
70	Solve system $x + y \frac{314}{25} x + \frac{1257}{100} y = 40 = \frac{25133}{50}$	6
71	Solve system $- 36 x + 16 y 36 x - 45 y = - 112 = 63$	6
72	Solve system $x - 4 y 2 x + y = 15 = - 15$	6
73	Solve system $\frac{1}{2} x + y - 2 x - 8 y = 2 = 0$	6
74	Solve system $2 x + y 4 x + 2 y = 4 = 3$	6
75	Solve system $4 x + 3 y 9 x + 3 y = 12 = 5$	6
76	Solve system $8 x - 3 y 3 x + 2 y = - 34 = 6$	5
77	Solve system $3 x + 8 y 5 x + 8 y = - 3 = - 5$	5
78	Solve system $20 x - 15 y - 15 x + 25 y = 5 = 10$	5
79	Solve system $0.5 x + 40 y - 2 x - 70 y = 77 = 0$	5
80	Solve system $- 3 x + 5 y - 2 x + 5 y = 3 = - 8$	5
81	Solve system $2 x - y 2 x - y = - 2 = - 2$	5
82	Solve system $4 x + 50 y - 30 x + 84 y = 80 = 0$	5
83	Solve system $\frac{13}{1000} x - \frac{223}{50000} y - 0.0043 x + \frac{27}{2000} y = 10000000 = 5000000$	5
84	Solve system $2 x - 2 x = 4 = 4$	5
85	Solve system $2 x + 3 y 3 x + 2 y = 77 = 73$	5
86	Solve system $5 x + 2 y 3 x + 5 y = 16 = 21$	5
87	Solve system $\frac{8103}{100000} x + \frac{8997}{100000} y \frac{8997}{100000} x + \frac{8103}{100000} y = - \frac{1593}{1000} = - \frac{3267}{4000}$	5
88	Solve system $\frac{1}{2} x + 68 y - 2 x - 89 y = 80 = 0$	5
89	Solve system $- 3 x + 4 y 4 x + 3 y = \frac{17}{2} = \frac{7}{2}$	5
90	Solve system $- 3 x + 4 y 4 x + 3 y = \frac{7}{2} = \frac{17}{2}$	5
91	Solve system $\frac{560}{3} x + 30 y 30 x + 15 y = 5600 = 1200$	5
92	Solve system $3 x + y 2 x + 4 y = - 3 = 8$	5
93	Solve system $x + y 3 x + 3 y = 5 = 10$	5
94	Solve system $- \frac{41351}{10000} x + y - \frac{99}{25} x + y = 303 = 298$	5
95	Solve system $6 x + 4 y 9 x + 6 y = 16 = 24$	5
96	Solve system $x + 2 y 2 x - y = 10 = 5$	5
97	Solve system $x + y \frac{127}{2} x + 108 y = \frac{1}{5} = \frac{559}{20}$	5
98	Solve system $- 5 x 5 x = - 5 = 5$	5
99	Solve system $x + 5 y - 2 x - 7 y = 7 = - 5$	5
100	Solve system $x + 2 y - 2 x + y = 2 = 16$	5