r+11=42

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Solution for r+11=42 equation: 


Simplifying
r + 11 = 42

Reorder the terms:
11 + r = 42

Solving
11 + r = 42

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 = 42 + -11

Combine like terms: 11 + -11 = 0
0 + r = 42 + -11
r = 42 + -11

Combine like terms: 42 + -11 = 31
r = 31

Simplifying
r = 31

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