Kim is working on solving the following problem. solve for x ? - 8/x-7 = -5 . Here are the first steps that kim wrote down on her paper. what is kim doing in these steps. x-7 =0 x-7+7=0+7, x=7. a) rewriting the equation as a linear equation b) finding the excluded value, c) finding the solution to the equation and d) finding the least common denominator