Respuesta:
Explicación paso a paso:
5x + 2 + x = 4x + 6
6x + 2 = 4x + 6
6x - 4x = 6 - 2
2x = 4
x = 4 / 2
x = 2
te da -2
5.x + 2 + x = 4.x + 6
5.x + x - 4.x = + 6 - 2
2x = - 4
x = -4 % 2
x = - 2
