2r+-19=-1

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Solution for 2r+-19=-1 equation: 


Simplifying
2r + -19 = -1

Reorder the terms:
-19 + 2r = -1

Solving
-19 + 2r = -1

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 19 + 2r = -1 + 19

Combine like terms: -19 + 19 = 0
0 + 2r = -1 + 19
2r = -1 + 19

Combine like terms: -1 + 19 = 18
2r = 18

Divide each side by '2'.
r = 9

Simplifying
r = 9

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