.4(5-.4x)=-3.2

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Solution for .4(5-.4x)=-3.2 equation:


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

Solving
2 + -0.16x = -3.2

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = 32.5

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