Respuesta:
Solo sumas todo e igual a 180
4x + 7 + 3x + 12 + 2x +8 = 180
9x + 27 =180
Le sacas 9 osea novena
x + 3 = 20
x = 17
SUERTE
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Respuesta:
Solo sumas todo e igual a 180
4x + 7 + 3x + 12 + 2x +8 = 180
9x + 27 =180
Le sacas 9 osea novena
x + 3 = 20
x = 17
SUERTE