105=-7n

Solution for 105=-7n equation:

Simplifying
105 = -7n

Solving
105 = -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.
105 + 7n = -7n + 7n

Combine like terms: -7n + 7n = 0
105 + 7n = 0

Add '-105' to each side of the equation.
105 + -105 + 7n = 0 + -105

Combine like terms: 105 + -105 = 0
0 + 7n = 0 + -105
7n = 0 + -105

Combine like terms: 0 + -105 = -105
7n = -105

Divide each side by '7'.
n = -15

Simplifying
n = -15