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-7w-12=-3+20
We simplify the equation to the form, which is simple to understand
-7w-12=-3+20
We move all terms containing w to the left and all other terms to the right.
-7w=-3+20+12
We simplify left and right side of the equation.
-7w=+29
We divide both sides of the equation by -7 to get w.
w=-4.14285714286
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