r-45=-45

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Solution for r-45=-45 equation: 


Simplifying
r + -45 = -45

Reorder the terms:
-45 + r = -45

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

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

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

Solving
r = 0

Solving for variable 'r'.

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

Simplifying
r = 0

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