2n+7n+12=

Solution for 2n+7n+12= equation:

Simplifying
2n + 7n + 12 = 0

Reorder the terms:
12 + 2n + 7n = 0

Combine like terms: 2n + 7n = 9n
12 + 9n = 0

Solving
12 + 9n = 0

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 9n = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 9n = 0 + -12
9n = 0 + -12

Combine like terms: 0 + -12 = -12
9n = -12

Divide each side by '9'.
n = -1.333333333

Simplifying
n = -1.333333333