-5(-8r-5)=145

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Solution for -5(-8r-5)=145 equation:


Simplifying
-5(-8r + -5) = 145

Reorder the terms:
-5(-5 + -8r) = 145
(-5 * -5 + -8r * -5) = 145
(25 + 40r) = 145

Solving
25 + 40r = 145

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 + 40r = 145 + -25

Combine like terms: 25 + -25 = 0
0 + 40r = 145 + -25
40r = 145 + -25

Combine like terms: 145 + -25 = 120
40r = 120

Divide each side by '40'.
r = 3

Simplifying
r = 3

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