42=-7n

Solution for 42=-7n equation:

Simplifying
42 = -7n

Solving
42 = -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
42 + 7n = -7n + 7n

Combine like terms: -7n + 7n = 0
42 + 7n = 0

Add '-42' to each side of the equation.
42 + -42 + 7n = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 7n = 0 + -42
7n = 0 + -42

Combine like terms: 0 + -42 = -42
7n = -42

Divide each side by '7'.
n = -6

Simplifying
n = -6