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7=w/2+3
We simplify the equation to the form, which is simple to understand
7=w/2+3
We move all terms containing w to the left and all other terms to the right.
-0.5w=+3-7
We simplify left and right side of the equation.
-0.5w=-4
We divide both sides of the equation by -00.5 to get w.
w=8
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