0.4(-0.4n)=-3.2

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Solution for 0.4(-0.4n)=-3.2 equation: 


Simplifying
0.4(-0.4n) = -3.2

Remove parenthesis around (-0.4n)
0.4 * -0.4n = -3.2

Multiply 0.4 * -0.4
-0.16n = -3.2

Solving
-0.16n = -3.2

Solving for variable 'n'.

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

Divide each side by '-0.16'.
n = 20

Simplifying
n = 20

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