-0.2(4-5r)=

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Solution for -0.2(4-5r)= equation: 


Simplifying
-0.2(4 + -5r) = 0
(4 * -0.2 + -5r * -0.2) = 0
(-0.8 + 1r) = 0

Solving
-0.8 + 1r = 0

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 + 1r = 0 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + 1r = 0 + 0.8
1r = 0 + 0.8

Combine like terms: 0 + 0.8 = 0.8
1r = 0.8

Divide each side by '1'.
r = 0.8

Simplifying
r = 0.8

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