9r-5=85

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Solution for 9r-5=85 equation: 


Simplifying
9r + -5 = 85

Reorder the terms:
-5 + 9r = 85

Solving
-5 + 9r = 85

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 9r = 85 + 5

Combine like terms: -5 + 5 = 0
0 + 9r = 85 + 5
9r = 85 + 5

Combine like terms: 85 + 5 = 90
9r = 90

Divide each side by '9'.
r = 10

Simplifying
r = 10

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