0.8(0.4r+1)=0.16

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Solution for 0.8(0.4r+1)=0.16 equation: 


Simplifying
0.8(0.4r + 1) = 0.16

Reorder the terms:
0.8(1 + 0.4r) = 0.16
(1 * 0.8 + 0.4r * 0.8) = 0.16
(0.8 + 0.32r) = 0.16

Solving
0.8 + 0.32r = 0.16

Solving for variable 'r'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.32r = 0.16 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.32r = 0.16 + -0.8
0.32r = 0.16 + -0.8

Combine like terms: 0.16 + -0.8 = -0.64
0.32r = -0.64

Divide each side by '0.32'.
r = -2

Simplifying
r = -2

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