7n-5n-1=17

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Solution for 7n-5n-1=17 equation: 


Simplifying
7n + -5n + -1 = 17

Reorder the terms:
-1 + 7n + -5n = 17

Combine like terms: 7n + -5n = 2n
-1 + 2n = 17

Solving
-1 + 2n = 17

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 = 17 + 1

Combine like terms: -1 + 1 = 0
0 + 2n = 17 + 1
2n = 17 + 1

Combine like terms: 17 + 1 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9

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