20+4r=0

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Solution for 20+4r=0 equation: 


Simplifying
20 + 4r = 0

Solving
20 + 4r = 0

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 + 4r = 0 + -20

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

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

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

Simplifying
r = -5

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