r+34=13

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Solution for r+34=13 equation: 


Simplifying
r + 34 = 13

Reorder the terms:
34 + r = 13

Solving
34 + r = 13

Solving for variable 'r'.

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

Add '-34' to each side of the equation.
34 + -34 + r = 13 + -34

Combine like terms: 34 + -34 = 0
0 + r = 13 + -34
r = 13 + -34

Combine like terms: 13 + -34 = -21
r = -21

Simplifying
r = -21

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