12+(n-1)2=

Solution for 12+(n-1)2= equation:

Simplifying
12 + (n + -1) * 2 = 0

Reorder the terms:
12 + (-1 + n) * 2 = 0

Reorder the terms for easier multiplication:
12 + 2(-1 + n) = 0
12 + (-1 * 2 + n * 2) = 0
12 + (-2 + 2n) = 0

Combine like terms: 12 + -2 = 10
10 + 2n = 0

Solving
10 + 2n = 0

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 2n = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2n = 0 + -10
2n = 0 + -10

Combine like terms: 0 + -10 = -10
2n = -10

Divide each side by '2'.
n = -5

Simplifying
n = -5