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-w/2=-7
We simplify the equation to the form, which is simple to understand
-w/2=-7
We move all terms containing w to the left and all other terms to the right.
-0.5w=-7
We simplify left and right side of the equation.
-0.5w=-7
We divide both sides of the equation by -0.5 to get w.
w=14
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