Respuestas

2012-05-01T21:15:08+02:00

(0.6x-3)+1.2=0.5+x

0.6x-3+1.2=0.5+x

0.6x-x=0.5+3-1.2

-0.4x=2.3

x=2.3/-0.4

x=-5.75

 

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