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 = 23
r = 23

Simplifying
r = 23

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