6n-n+4n-6n-1=20

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Solution for 6n-n+4n-6n-1=20 equation:


Simplifying
6n + -1n + 4n + -6n + -1 = 20

Reorder the terms:
-1 + 6n + -1n + 4n + -6n = 20

Combine like terms: 6n + -1n = 5n
-1 + 5n + 4n + -6n = 20

Combine like terms: 5n + 4n = 9n
-1 + 9n + -6n = 20

Combine like terms: 9n + -6n = 3n
-1 + 3n = 20

Solving
-1 + 3n = 20

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 + 3n = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 3n = 20 + 1
3n = 20 + 1

Combine like terms: 20 + 1 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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