3.6(0.25-r)=18

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Solution for 3.6(0.25-r)=18 equation: 


Simplifying
3.6(0.25 + -1r) = 18
(0.25 * 3.6 + -1r * 3.6) = 18
(0.9 + -3.6r) = 18

Solving
0.9 + -3.6r = 18

Solving for variable 'r'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -3.6r = 18 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -3.6r = 18 + -0.9
-3.6r = 18 + -0.9

Combine like terms: 18 + -0.9 = 17.1
-3.6r = 17.1

Divide each side by '-3.6'.
r = -4.75

Simplifying
r = -4.75

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