\[v=lwh\]

Solving for w. Want to solve for l or solve for h instead?
1
Divide both sides by ll.
vl=wh\frac{v}{l}=wh

2
Divide both sides by hh.
vlh=w\frac{\frac{v}{l}}{h}=w

3
Simplify  vlh\frac{\frac{v}{l}}{h}  to  vlh\frac{v}{lh}.
vlh=w\frac{v}{lh}=w

4
Switch sides.
w=vlhw=\frac{v}{lh}

Done

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