42=3(2-3)n

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

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

Combine like terms: 2 + -3 = -1
42 = 3(-1) * n

Multiply 3 * -1
42 = -3n

Solving
42 = -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 = -3n + 3n

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

Add '-42' to each side of the equation.
42 + -42 + 3n = 0 + -42

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

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

Divide each side by '3'.
n = -14

Simplifying
n = -14