r+11=12

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Solution for r+11=12 equation: 


Simplifying
r + 11 = 12

Reorder the terms:
11 + r = 12

Solving
11 + r = 12

Solving for variable 'r'.

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

Add '-11' to each side of the equation.
11 + -11 + r = 12 + -11

Combine like terms: 11 + -11 = 0
0 + r = 12 + -11
r = 12 + -11

Combine like terms: 12 + -11 = 1
r = 1

Simplifying
r = 1

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