Si 3 x + 5 = 17,entonces 3 x - 5 =?
A) - 1
B) 7
C) - 7
D) 12
A) - 1
B) 7
C) - 7
D) 12
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Respuesta:
7
Explicación paso a paso:
3x+5=17
3x=17-5
3x=12
12-5=7