r-45=27

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Solution for r-45=27 equation: 


Simplifying
r + -45 = 27

Reorder the terms:
-45 + r = 27

Solving
-45 + r = 27

Solving for variable 'r'.

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

Add '45' to each side of the equation.
-45 + 45 + r = 27 + 45

Combine like terms: -45 + 45 = 0
0 + r = 27 + 45
r = 27 + 45

Combine like terms: 27 + 45 = 72
r = 72

Simplifying
r = 72

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