2r+1=-1

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Solution for 2r+1=-1 equation: 


Simplifying
2r + 1 = -1

Reorder the terms:
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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