October 2020 0 70 Report
Calcular x e y de modo que os pares ordenados (3x + 2, 2y -6) e (2x - 1, y + 2) sejam iguais. Marque a alternativa correta. a) x = -4 e y = 3.
b) x = -3 e y = 8.
c) x = 12 e y = -6.
d) x = 6 e y = -12. 
e) x = 8 e y = 3. 
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