5n+8-n-1=85

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Solution for 5n+8-n-1=85 equation:


Simplifying
5n + 8 + -1n + -1 = 85

Reorder the terms:
8 + -1 + 5n + -1n = 85

Combine like terms: 8 + -1 = 7
7 + 5n + -1n = 85

Combine like terms: 5n + -1n = 4n
7 + 4n = 85

Solving
7 + 4n = 85

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 4n = 85 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = 85 + -7
4n = 85 + -7

Combine like terms: 85 + -7 = 78
4n = 78

Divide each side by '4'.
n = 19.5

Simplifying
n = 19.5

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