Solve for h
h=\frac{20}{wx}
w\neq 0\text{ and }x\neq 0
Solve for w
w=\frac{20}{hx}
h\neq 0\text{ and }x\neq 0
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2wxh=40
The equation is in standard form.
\frac{2wxh}{2wx}=\frac{40}{2wx}
Divide both sides by 2xw.
h=\frac{40}{2wx}
Dividing by 2xw undoes the multiplication by 2xw.
h=\frac{20}{wx}
Divide 40 by 2xw.
2hxw=40
The equation is in standard form.
\frac{2hxw}{2hx}=\frac{40}{2hx}
Divide both sides by 2xh.
w=\frac{40}{2hx}
Dividing by 2xh undoes the multiplication by 2xh.
w=\frac{20}{hx}
Divide 40 by 2xh.
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