Respuestas

2012-11-06T23:40:54+01:00

1/2(x-1)-(x-3)=(x+3)/3+1/6

(x-1)/2-(x-3)=[2(x+3)+1]/6

[(x-1)-2(x-3)]/2=(2x+6+1)/6

(x-1-2x-6)/2=(2x+7)/6

6(-x-7)=2(2x+7)

-6x-42=4x+14

-42-14=4x+6x

-56=10x

-56/10=x

-5,6=x