Sagot :
[tex]5,5x+32=57\ \ \ |Subtract\ 32\ from\ each\ side\\\\
5,5x=57-32\\\\
5,5x=25\ \ \ |Divide\ by\ 5,5\\\\\boxed{x=4,54}[/tex]
[tex]5.5x+32=57 \\\\ 5.5x=57-32 \\\\ 5.5x=25 \\\\ \boxed{x=\frac{25}{5.5}=4.(54)}[/tex]