Explicación paso a paso:
2x + 20 + x + 10= 180
3x + 30= 180
3x= 150
x=50
CORONA Y CORAZÓN PORFAS
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Explicación paso a paso:
2x + 20 + x + 10= 180
3x + 30= 180
3x= 150
x=50
CORONA Y CORAZÓN PORFAS