2r-25=81

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Solution for 2r-25=81 equation: 


Simplifying
2r + -25 = 81

Reorder the terms:
-25 + 2r = 81

Solving
-25 + 2r = 81

Solving for variable 'r'.

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

Add '25' to each side of the equation.
-25 + 25 + 2r = 81 + 25

Combine like terms: -25 + 25 = 0
0 + 2r = 81 + 25
2r = 81 + 25

Combine like terms: 81 + 25 = 106
2r = 106

Divide each side by '2'.
r = 53

Simplifying
r = 53

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