400-40w=80

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Solution for 400-40w=80 equation:


400-40w=80

We simplify the equation to the form, which is simple to understand 
400-40w=80

We move all terms containing w to the left and all other terms to the right. 
-40w=+80-400

We simplify left and right side of the equation. 
-40w=-320

We divide both sides of the equation by -40 to get w. 
w=8

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