-42=-3(n-2)

Solution for -42=-3(n-2) equation:

Simplifying
-42 = -3(n + -2)

Reorder the terms:
-42 = -3(-2 + n)
-42 = (-2 * -3 + n * -3)
-42 = (6 + -3n)

Solving
-42 = 6 + -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.
-42 + 3n = 6 + -3n + 3n

Combine like terms: -3n + 3n = 0
-42 + 3n = 6 + 0
-42 + 3n = 6

Add '42' to each side of the equation.
-42 + 42 + 3n = 6 + 42

Combine like terms: -42 + 42 = 0
0 + 3n = 6 + 42
3n = 6 + 42

Combine like terms: 6 + 42 = 48
3n = 48

Divide each side by '3'.
n = 16

Simplifying
n = 16