13r+39=

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Solution for 13r+39= equation: 


Simplifying
13r + 39 = 0

Reorder the terms:
39 + 13r = 0

Solving
39 + 13r = 0

Solving for variable 'r'.

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

Add '-39' to each side of the equation.
39 + -39 + 13r = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 13r = 0 + -39
13r = 0 + -39

Combine like terms: 0 + -39 = -39
13r = -39

Divide each side by '13'.
r = -3

Simplifying
r = -3

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