question_answer

Solve the equation \[\frac{0.5\,\,(z-0.4)}{3.5}-\frac{0.6\,\,(z-2.7)}{4.2}=z+6.1\]

A)  \[\frac{202}{35}\]                    

B)  \[\frac{197}{70}\]

C)  \[\frac{70}{197}\]                                

D)  \[\frac{-70}{197}\]

E)  None of these