(3n-6)+(n-6)=3n

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Solution for (3n-6)+(n-6)=3n equation:


Simplifying
(3n + -6) + (n + -6) = 3n

Reorder the terms:
(-6 + 3n) + (n + -6) = 3n

Remove parenthesis around (-6 + 3n)
-6 + 3n + (n + -6) = 3n

Reorder the terms:
-6 + 3n + (-6 + n) = 3n

Remove parenthesis around (-6 + n)
-6 + 3n + -6 + n = 3n

Reorder the terms:
-6 + -6 + 3n + n = 3n

Combine like terms: -6 + -6 = -12
-12 + 3n + n = 3n

Combine like terms: 3n + n = 4n
-12 + 4n = 3n

Solving
-12 + 4n = 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-12 + 4n + -3n = 3n + -3n

Combine like terms: 4n + -3n = 1n
-12 + 1n = 3n + -3n

Combine like terms: 3n + -3n = 0
-12 + 1n = 0

Add '12' to each side of the equation.
-12 + 12 + 1n = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 1n = 0 + 12
1n = 0 + 12

Combine like terms: 0 + 12 = 12
1n = 12

Divide each side by '1'.
n = 12

Simplifying
n = 12

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