3n-(n-1)=2

Solution for 3n-(n-1)=2 equation:

Simplifying
3n + -1(n + -1) = 2

Reorder the terms:
3n + -1(-1 + n) = 2
3n + (-1 * -1 + n * -1) = 2
3n + (1 + -1n) = 2

Reorder the terms:
1 + 3n + -1n = 2

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

Solving
1 + 2n = 2

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 = 2 + -1

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

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

Divide each side by '2'.
n = 0.5

Simplifying
n = 0.5