r=2x-2-1

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Solution for r=2x-2-1 equation: 


Simplifying
r = 2x + -2 + -1

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

Combine like terms: -2 + -1 = -3
r = -3 + 2x

Solving
r = -3 + 2x

Solving for variable 'r'.

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

Simplifying
r = -3 + 2x

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