9r-16=65

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Solution for 9r-16=65 equation:


Simplifying
9r + -16 = 65

Reorder the terms:
-16 + 9r = 65

Solving
-16 + 9r = 65

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 + 9r = 65 + 16

Combine like terms: -16 + 16 = 0
0 + 9r = 65 + 16
9r = 65 + 16

Combine like terms: 65 + 16 = 81
9r = 81

Divide each side by '9'.
r = 9

Simplifying
r = 9

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