Respuesta:
X = 10
Explicación paso a paso:
X+30 + x+70 + x+50 = 180
3x + 150 = 180
3x = 30
x= 10
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Respuesta:
X = 10
Explicación paso a paso:
X+30 + x+70 + x+50 = 180
3x + 150 = 180
3x = 30
x= 10