(-2r-1)=1

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Solution for (-2r-1)=1 equation: 


Simplifying
(-2r + -1) = 1

Reorder the terms:
(-1 + -2r) = 1

Remove parenthesis around (-1 + -2r)
-1 + -2r = 1

Solving
-1 + -2r = 1

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 = 1 + 1

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

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

Divide each side by '-2'.
r = -1

Simplifying
r = -1

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