Question

x - 2y = -16

8x + 3y = 62
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Considerando U = Z x Z.

Answer 1

Ola Joao

x - 2y = -16
8x + 3y = 62

3x - 6y = -48
16x + 6y = 124 

19x = 76 

x = 76/19 = 4 

x - 2y = -16
4 - 2y = -16

2y = 4 + 16 = 20

y = 10

S = (4,10)