Respuesta :
3(1/3x + 1) + 4 = -1 - 4(x + 3)
x + 3 + 4 = -1 - 4x - 12
x + 7 = -13 - 4x
**x + 4x = -13 - 7
5x = - 20........<== one possible value is - 20
**7 + 13 = -4x - x
20 = -5x <=== another possible value is 20
x + 3 + 4 = -1 - 4x - 12
x + 7 = -13 - 4x
**x + 4x = -13 - 7
5x = - 20........<== one possible value is - 20
**7 + 13 = -4x - x
20 = -5x <=== another possible value is 20