-3n-2n-42=-12

Solution for -3n-2n-42=-12 equation:

Simplifying
-3n + -2n + -42 = -12

Reorder the terms:
-42 + -3n + -2n = -12

Combine like terms: -3n + -2n = -5n
-42 + -5n = -12

Solving
-42 + -5n = -12

Solving for variable 'n'.

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

Add '42' to each side of the equation.
-42 + 42 + -5n = -12 + 42

Combine like terms: -42 + 42 = 0
0 + -5n = -12 + 42
-5n = -12 + 42

Combine like terms: -12 + 42 = 30
-5n = 30

Divide each side by '-5'.
n = -6

Simplifying
n = -6