(n+3)-2n=19

Solution for (n+3)-2n=19 equation:

Simplifying
(n + 3) + -2n = 19

Reorder the terms:
(3 + n) + -2n = 19

Remove parenthesis around (3 + n)
3 + n + -2n = 19

Combine like terms: n + -2n = -1n
3 + -1n = 19

Solving
3 + -1n = 19

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -1n = 19 + -3

Combine like terms: 3 + -3 = 0
0 + -1n = 19 + -3
-1n = 19 + -3

Combine like terms: 19 + -3 = 16
-1n = 16

Divide each side by '-1'.
n = -16

Simplifying
n = -16