-5(-3r-5)=55

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Solution for -5(-3r-5)=55 equation: 


Simplifying
-5(-3r + -5) = 55

Reorder the terms:
-5(-5 + -3r) = 55
(-5 * -5 + -3r * -5) = 55
(25 + 15r) = 55

Solving
25 + 15r = 55

Solving for variable 'r'.

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

Add '-25' to each side of the equation.
25 + -25 + 15r = 55 + -25

Combine like terms: 25 + -25 = 0
0 + 15r = 55 + -25
15r = 55 + -25

Combine like terms: 55 + -25 = 30
15r = 30

Divide each side by '15'.
r = 2

Simplifying
r = 2

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