0.4(5-0.4w)=-3.2

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Solution for 0.4(5-0.4w)=-3.2 equation: 


Simplifying
0.4(5 + -0.4w) = -3.2
(5 * 0.4 + -0.4w * 0.4) = -3.2
(2 + -0.16w) = -3.2

Solving
2 + -0.16w = -3.2

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -0.16w = -3.2 + -2

Combine like terms: 2 + -2 = 0
0 + -0.16w = -3.2 + -2
-0.16w = -3.2 + -2

Combine like terms: -3.2 + -2 = -5.2
-0.16w = -5.2

Divide each side by '-0.16'.
w = 32.5

Simplifying
w = 32.5

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