2r-1=-0.25

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Solution for 2r-1=-0.25 equation: 


Simplifying
2r + -1 = -0.25

Reorder the terms:
-1 + 2r = -0.25

Solving
-1 + 2r = -0.25

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 2r = -0.25 + 1

Combine like terms: -1 + 1 = 0
0 + 2r = -0.25 + 1
2r = -0.25 + 1

Combine like terms: -0.25 + 1 = 0.75
2r = 0.75

Divide each side by '2'.
r = 0.375

Simplifying
r = 0.375

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