b) \(\left|x-\frac{1}{3}\right|\)+\(\frac{4}{5}\)= \(\left|\left(-3,2\right)+\frac{2}{5}\right|\)
c) \(\frac{x-1}{2013}+\frac{x-2}{2012}\)\(-\frac{x-3}{2011}\)\(=\frac{x-4}{2010}\)
d) \(\left(x-7\right)^{x+1}-\left(x-7\right)^{x+11}=0\)
k) \(3x+x^2=0\)
m) \(x^2-2x-3\left(x-2\right)=0\)