2n-1=8

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Solution for 2n-1=8 equation: 


Simplifying
2n + -1 = 8

Reorder the terms:
-1 + 2n = 8

Solving
-1 + 2n = 8

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 2n = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 2n = 8 + 1
2n = 8 + 1

Combine like terms: 8 + 1 = 9
2n = 9

Divide each side by '2'.
n = 4.5

Simplifying
n = 4.5

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