Respuesta:
Es la b
Explicación paso a paso:
x= (15 -3x)/2
2x =15 - 3x
3x + 2x = 15
5x = 15
x = 15/5
x = 3
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Respuesta:
Es la b
Explicación paso a paso:
x= (15 -3x)/2
2x =15 - 3x
3x + 2x = 15
5x = 15
x = 15/5
x = 3