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Ola
x + 5y- z = 5
1 + 5 - 1 = 5 ok
7x - 2y + 3z = 0
7 - 2 + 3 = 0
8 = 0 nok
2x + 5y + 11z = 8
2 - 5 + 11 = 8 ok
pronto
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Ola
x + 5y- z = 5
1 + 5 - 1 = 5 ok
7x - 2y + 3z = 0
7 - 2 + 3 = 0
8 = 0 nok
2x + 5y + 11z = 8
2 - 5 + 11 = 8 ok
pronto