r(n)=4.5n-8

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Solution for r(n)=4.5n-8 equation: 


Simplifying
r(n) = 4.5n + -8

Multiply r * n
nr = 4.5n + -8

Reorder the terms:
nr = -8 + 4.5n

Solving
nr = -8 + 4.5n

Solving for variable 'n'.

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

Add '-4.5n' to each side of the equation.
-4.5n + nr = -8 + 4.5n + -4.5n

Combine like terms: 4.5n + -4.5n = 0.0
-4.5n + nr = -8 + 0.0
-4.5n + nr = -8

Reorder the terms:
8 + -4.5n + nr = -8 + 8

Combine like terms: -8 + 8 = 0
8 + -4.5n + nr = 0

The solution to this equation could not be determined.

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