-9+4+2(3+-n)+4n=

Solution for -9+4+2(3+-n)+4n= equation:

Simplifying
-9 + 4 + 2(3 + -1n) + 4n = 0
-9 + 4 + (3 * 2 + -1n * 2) + 4n = 0
-9 + 4 + (6 + -2n) + 4n = 0

Combine like terms: -9 + 4 = -5
-5 + 6 + -2n + 4n = 0

Combine like terms: -5 + 6 = 1
1 + -2n + 4n = 0

Combine like terms: -2n + 4n = 2n
1 + 2n = 0

Solving
1 + 2n = 0

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + 2n = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2n = 0 + -1
2n = 0 + -1

Combine like terms: 0 + -1 = -1
2n = -1

Divide each side by '2'.
n = -0.5

Simplifying
n = -0.5