\(\frac{x+2+93}{93}+\frac{x+3+92}{92}-\frac{x+4+91}{91}-\frac{x+5+90}{90}=0\)
\(\Leftrightarrow\frac{x+95}{93}+\frac{x+95}{92}-\frac{x+95}{91}-\frac{x+90}{90}=0\)
\(\Leftrightarrow\left(x+95\right)\left(\frac{1}{93}+\frac{1}{92}-\frac{1}{91}-\frac{1}{90}\right)=0\)
\(\Leftrightarrow x+95=0\Leftrightarrow x=-95\)