Question

Solve the formula for W.

S=2LH+(2L+2H)W

Answer 1

So firstly, subtract both sides by 2LH: $S-2LH=(2L+2H)W$

Next, divide both sides by (2L + 2H): $\frac{S-2LH}{2L+2H}=W$

Next, factor out 2 in the denominator and your final answer will be $\frac{S-2LH}{2(L+H)}=W$