Solve for $x$x in the following equation:
$y=x+z$y=x+z
$y=\frac{x}{4}$y=x4
Solve for $m$m in the following equation:
$\frac{m}{y}=gh$my=gh
Solve for $R$R in the following equation:
$V=IR-E$V=IR−E
Solve literal equations for a specified variable
Solve practical problems involving equations and systems of equations