n+3n+4(4n-9)=67

Solution for n+3n+4(4n-9)=67 equation:

Simplifying
n + 3n + 4(4n + -9) = 67

Reorder the terms:
n + 3n + 4(-9 + 4n) = 67
n + 3n + (-9 * 4 + 4n * 4) = 67
n + 3n + (-36 + 16n) = 67

Reorder the terms:
-36 + n + 3n + 16n = 67

Combine like terms: n + 3n = 4n
-36 + 4n + 16n = 67

Combine like terms: 4n + 16n = 20n
-36 + 20n = 67

Solving
-36 + 20n = 67

Solving for variable 'n'.

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

Add '36' to each side of the equation.
-36 + 36 + 20n = 67 + 36

Combine like terms: -36 + 36 = 0
0 + 20n = 67 + 36
20n = 67 + 36

Combine like terms: 67 + 36 = 103
20n = 103

Divide each side by '20'.
n = 5.15

Simplifying
n = 5.15