Literal Equations

 $4x$  is multiplication

The inverse of multiplication is division.

So to undo multiplication we divide.

So by rearranging we isolated the variable and "x" was found

The operation is multiplication

The inverse is division

 $w\ =\ \frac{A}{l}$  

The operation is multiplication

The inverse is division

 $h\ =\ \frac{V}{l\ x\ w}$  

 $y\ =\ mx\ +\ b\ ;\ solve\ for\ "x"$  

What are the operations in the formula?

multiplication and addition

What are the inverse operations?

division and subtraction

1st subtract "b"            $y\ -\ b\ =mx$  

2nd divide by "m"         $\frac{\left(y\ -\ b\right)}{m}\ =x$