-9(1-5r)=17

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Solution for -9(1-5r)=17 equation: 


Simplifying
-9(1 + -5r) = 17
(1 * -9 + -5r * -9) = 17
(-9 + 45r) = 17

Solving
-9 + 45r = 17

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 45r = 17 + 9

Combine like terms: -9 + 9 = 0
0 + 45r = 17 + 9
45r = 17 + 9

Combine like terms: 17 + 9 = 26
45r = 26

Divide each side by '45'.
r = 0.5777777778

Simplifying
r = 0.5777777778

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