r-225=180

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Solution for r-225=180 equation: 


Simplifying
r + -225 = 180

Reorder the terms:
-225 + r = 180

Solving
-225 + r = 180

Solving for variable 'r'.

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

Add '225' to each side of the equation.
-225 + 225 + r = 180 + 225

Combine like terms: -225 + 225 = 0
0 + r = 180 + 225
r = 180 + 225

Combine like terms: 180 + 225 = 405
r = 405

Simplifying
r = 405

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