r-16=9

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Solution for r-16=9 equation: 


Simplifying
r + -16 = 9

Reorder the terms:
-16 + r = 9

Solving
-16 + r = 9

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + 16 + r = 9 + 16

Combine like terms: -16 + 16 = 0
0 + r = 9 + 16
r = 9 + 16

Combine like terms: 9 + 16 = 25
r = 25

Simplifying
r = 25

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