n+3(n-9)=19

Solution for n+3(n-9)=19 equation:

Simplifying
n + 3(n + -9) = 19

Reorder the terms:
n + 3(-9 + n) = 19
n + (-9 * 3 + n * 3) = 19
n + (-27 + 3n) = 19

Reorder the terms:
-27 + n + 3n = 19

Combine like terms: n + 3n = 4n
-27 + 4n = 19

Solving
-27 + 4n = 19

Solving for variable 'n'.

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

Add '27' to each side of the equation.
-27 + 27 + 4n = 19 + 27

Combine like terms: -27 + 27 = 0
0 + 4n = 19 + 27
4n = 19 + 27

Combine like terms: 19 + 27 = 46
4n = 46

Divide each side by '4'.
n = 11.5

Simplifying
n = 11.5