-5(1+9r)=28

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Solution for -5(1+9r)=28 equation: 


Simplifying
-5(1 + 9r) = 28
(1 * -5 + 9r * -5) = 28
(-5 + -45r) = 28

Solving
-5 + -45r = 28

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + -45r = 28 + 5

Combine like terms: -5 + 5 = 0
0 + -45r = 28 + 5
-45r = 28 + 5

Combine like terms: 28 + 5 = 33
-45r = 33

Divide each side by '-45'.
r = -0.7333333333

Simplifying
r = -0.7333333333

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