5(4+r)=-5

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


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

Solving
20 + 5r = -5

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 + 5r = -5 + -20

Combine like terms: 20 + -20 = 0
0 + 5r = -5 + -20
5r = -5 + -20

Combine like terms: -5 + -20 = -25
5r = -25

Divide each side by '5'.
r = -5

Simplifying
r = -5

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