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Respostas dos Exercícios Propostos
01 x = 8 e y = 3 02 x = 5 e y = 2 03 x = 4 e y = - 1 04 x = - 3 e y = 2
05 x = - 8 e y = 21 06 x = 6 e y = 2 07 x = 10 e y = 5 08 x = 4 e y = - 2
09 x = 3 e y = - 2 10 x = 4 e y = 5 11 x = 4 e y = 2 12 x = 2 e y = 1
13 x = 10 e y = 7 14 x = 1 e y = - 4 15 a = - 5 e b = - 3 16 x = 1/3 e y = 1/2
17 x = - 2 e y = 6 18 a = 1 e b = 3 19 x = 6 e y = 8 20 x = 10 e y = 7
21 x = 3 e y = - 3 22 x = 9 e y = 5 23 x = - 2 e y = 5 24 x = - 6 e y = 4
25 x = 4 e y = 5 26 x = 10 e y = 10 27 x = 2/9 e y = 1/9 28 x = 1/2 e y = 1/3
29 x = 3 e y = 1 30 x = 5 e y = 3 31 x = 7 e y = 1 32 x = 7 e y = 5
33 x = 7 e y = 2 34 x = 5 e y = 2 35 x = 5 e y = 7 36 x = 1 e y = 2
37 x = 12 e y = 6 38 x = 1,5 e y = 2 39 x = 6 e y = - 2 40 x = - 9 e y = - 16
41 x = 3 e y = 2 42 x = 5 e y = 1 43 Letra a 44 Letra d
45 Letra b
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