5(4+5r)=-180

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Solution for 5(4+5r)=-180 equation: 


Simplifying
5(4 + 5r) = -180
(4 * 5 + 5r * 5) = -180
(20 + 25r) = -180

Solving
20 + 25r = -180

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + 25r = -180 + -20

Combine like terms: 20 + -20 = 0
0 + 25r = -180 + -20
25r = -180 + -20

Combine like terms: -180 + -20 = -200
25r = -200

Divide each side by '25'.
r = -8

Simplifying
r = -8

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