r-3=2.25

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Solution for r-3=2.25 equation: 


Simplifying
r + -3 = 2.25

Reorder the terms:
-3 + r = 2.25

Solving
-3 + r = 2.25

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + r = 2.25 + 3

Combine like terms: -3 + 3 = 0
0 + r = 2.25 + 3
r = 2.25 + 3

Combine like terms: 2.25 + 3 = 5.25
r = 5.25

Simplifying
r = 5.25

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