12-n=2(n+3)

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Solution for 12-n=2(n+3) equation:


Simplifying
12 + -1n = 2(n + 3)

Reorder the terms:
12 + -1n = 2(3 + n)
12 + -1n = (3 * 2 + n * 2)
12 + -1n = (6 + 2n)

Solving
12 + -1n = 6 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
12 + -1n + -2n = 6 + 2n + -2n

Combine like terms: -1n + -2n = -3n
12 + -3n = 6 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + -3n = 6 + 0
12 + -3n = 6

Add '-12' to each side of the equation.
12 + -12 + -3n = 6 + -12

Combine like terms: 12 + -12 = 0
0 + -3n = 6 + -12
-3n = 6 + -12

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

Divide each side by '-3'.
n = 2

Simplifying
n = 2

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