6=-2(n+1)

Solution for 6=-2(n+1) equation:

Simplifying
6 = -2(n + 1)

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

Solving
6 = -2 + -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.
6 + 2n = -2 + -2n + 2n

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

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

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

Combine like terms: -2 + -6 = -8
2n = -8

Divide each side by '2'.
n = -4

Simplifying
n = -4