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aplico distributiva
4 - 4x = - 8x-6
mando x hacia un lado y numeros hacia el otro
-4x+8x=-6-4
4x=-10
despejo x
x=-10/4= -5/2
-4x+8x= -6-4
4x= -10
X= -10/4
X= -5/2 u -2,5