5r-5=-20

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Solution for 5r-5=-20 equation: 


Simplifying
5r + -5 = -20

Reorder the terms:
-5 + 5r = -20

Solving
-5 + 5r = -20

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 + 5r = -20 + 5

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

Combine like terms: -20 + 5 = -15
5r = -15

Divide each side by '5'.
r = -3

Simplifying
r = -3

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