129r-20=36

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Solution for 129r-20=36 equation: 


Simplifying
129r + -20 = 36

Reorder the terms:
-20 + 129r = 36

Solving
-20 + 129r = 36

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 + 129r = 36 + 20

Combine like terms: -20 + 20 = 0
0 + 129r = 36 + 20
129r = 36 + 20

Combine like terms: 36 + 20 = 56
129r = 56

Divide each side by '129'.
r = 0.4341085271

Simplifying
r = 0.4341085271

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