0.4(5-0.4n)=3.2

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


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

Solving
2 + -0.16n = 3.2

Solving for variable 'n'.

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

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

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

Combine like terms: 3.2 + -2 = 1.2
-0.16n = 1.2

Divide each side by '-0.16'.
n = -7.5

Simplifying
n = -7.5

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