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8+9w=-20
We simplify the equation to the form, which is simple to understand
8+9w=-20
We move all terms containing w to the left and all other terms to the right.
+9w=-20-8
We simplify left and right side of the equation.
+9w=-28
We divide both sides of the equation by 9 to get w.
w=-3.11111111111
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