r+2=13

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Solution for r+2=13 equation: 


Simplifying
r + 2 = 13

Reorder the terms:
2 + r = 13

Solving
2 + r = 13

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + r = 13 + -2

Combine like terms: 2 + -2 = 0
0 + r = 13 + -2
r = 13 + -2

Combine like terms: 13 + -2 = 11
r = 11

Simplifying
r = 11

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