r+12=72

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Solution for r+12=72 equation: 


Simplifying
r + 12 = 72

Reorder the terms:
12 + r = 72

Solving
12 + r = 72

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + r = 72 + -12

Combine like terms: 12 + -12 = 0
0 + r = 72 + -12
r = 72 + -12

Combine like terms: 72 + -12 = 60
r = 60

Simplifying
r = 60

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