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4x + 2x + 6 = 2x + 4
6x + 6 = 2x + 4
6x - 2x = 4 - 6
4x = - 2
x = -2/4---simplificamos la mitad
x = -1/2
Solución :
x = -1/2
4x + 2(x + 3) = 2(x + 2)
4x + 2x + 6 = 2x + 4
6x + 6 = 2x + 4
6x - 2x = 4 - 6
4x = -2
x = - 2/4
x = - 1/2
Respuesta.
x = - 1/2