3n+(n-1)=

Solution for 3n+(n-1)= equation:

Simplifying
3n + (n + -1) = 0

Reorder the terms:
3n + (-1 + n) = 0

Remove parenthesis around (-1 + n)
3n + -1 + n = 0

Reorder the terms:
-1 + 3n + n = 0

Combine like terms: 3n + n = 4n
-1 + 4n = 0

Solving
-1 + 4n = 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 + 4n = 0 + 1

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

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

Divide each side by '4'.
n = 0.25

Simplifying
n = 0.25