November 2018 1 116 Report
26. ¿En cuál de las siguientes ecuaciones el valor de x = 7?
a) 4 (2x) + 6 – 2 = 72
b) 4 (2x + 6) – 2 = 72
c) 4 (2x +6 - 2) = 72
d) 4 (2) (x + 6) = 72

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