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w/2+w/3+w/4=13
We simplify the equation to the form, which is simple to understand
w/2+w/3+w/4=13
We move all terms containing w to the left and all other terms to the right.
+ 0.5w + 0.33333333333333w + 0.25w=+13
We simplify left and right side of the equation.
+1.0833333333333w=+13
We divide both sides of the equation by 1.0833333333333 to get w.
w=12
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