r=5r-20

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Solution for r=5r-20 equation: 


Simplifying
r = 5r + -20

Reorder the terms:
r = -20 + 5r

Solving
r = -20 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
r + -5r = -20 + 5r + -5r

Combine like terms: r + -5r = -4r
-4r = -20 + 5r + -5r

Combine like terms: 5r + -5r = 0
-4r = -20 + 0
-4r = -20

Divide each side by '-4'.
r = 5

Simplifying
r = 5

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