2-2r+1=11

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Solution for 2-2r+1=11 equation:


Simplifying
2 + -2r + 1 = 11

Reorder the terms:
2 + 1 + -2r = 11

Combine like terms: 2 + 1 = 3
3 + -2r = 11

Solving
3 + -2r = 11

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -2r = 11 + -3

Combine like terms: 3 + -3 = 0
0 + -2r = 11 + -3
-2r = 11 + -3

Combine like terms: 11 + -3 = 8
-2r = 8

Divide each side by '-2'.
r = -4

Simplifying
r = -4

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