2-1=n

Solution for 2-1=n equation:

Simplifying
2 + -1 = n

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

Solving
1 = n

Solving for variable 'n'.

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

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

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

Add '-1' to each side of the equation.
1 + -1 + -1n = 0 + -1

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

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

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

Simplifying
n = 1