(2n+12n)-(-9+20)=

Solution for (2n+12n)-(-9+20)= equation:

Simplifying
(2n + 12n) + -1(-9 + 20) = 0

Combine like terms: 2n + 12n = 14n
(14n) + -1(-9 + 20) = 0
(14n) + -1(-9 + 20) = 0

Combine like terms: -9 + 20 = 11
(14n) + -1(11) = 0

Multiply -1 * 11
(14n) + -11 = 0

Reorder the terms:
-11 + (14n) = 0

Solving
-11 + (14n) = 0

Solving for variable 'n'.

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

Add '11' to each side of the equation.
-11 + 11 + (14n) = 0 + 11

Combine like terms: -11 + 11 = 0
0 + (14n) = 0 + 11
(14n) = 0 + 11

Combine like terms: 0 + 11 = 11
(14n) = 11

Divide each side by '14'.
n = 0.7857142857

Simplifying
n = 0.7857142857