-9(4-8r)=-26

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Solution for -9(4-8r)=-26 equation: 


Simplifying
-9(4 + -8r) = -26
(4 * -9 + -8r * -9) = -26
(-36 + 72r) = -26

Solving
-36 + 72r = -26

Solving for variable 'r'.

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

Add '36' to each side of the equation.
-36 + 36 + 72r = -26 + 36

Combine like terms: -36 + 36 = 0
0 + 72r = -26 + 36
72r = -26 + 36

Combine like terms: -26 + 36 = 10
72r = 10

Divide each side by '72'.
r = 0.1388888889

Simplifying
r = 0.1388888889

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