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6x<2x+12
4x<12
x<12/4
x<3
c.s.={2;1;0; -infinito}
RESOLVIENDO:
==================
6x - 2 < 2x + 10
6x - 2x < 10 + 2
4x < 12
x < 12 ÷ 4
x < 3
RESPUESTA:
==============
x < 3
C.S = { - ∞ , 2}
Espero que te ayude.
Saludos!!!