r-39=3

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Solution for r-39=3 equation: 


Simplifying
r + -39 = 3

Reorder the terms:
-39 + r = 3

Solving
-39 + r = 3

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 + r = 3 + 39

Combine like terms: -39 + 39 = 0
0 + r = 3 + 39
r = 3 + 39

Combine like terms: 3 + 39 = 42
r = 42

Simplifying
r = 42

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