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w-72=-12w-7
We simplify the equation to the form, which is simple to understand
w-72=-12w-7
We move all terms containing w to the left and all other terms to the right.
+1w+12w=-7+72
We simplify left and right side of the equation.
+13w=+65
We divide both sides of the equation by 13 to get w.
w=5
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