2n+3=2n+1+-1

Solution for 2n+3=2n+1+-1 equation:

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

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

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

Combine like terms: 1 + -1 = 0
3 + 2n = 0 + 2n
3 + 2n = 2n

Add '-2n' to each side of the equation.
3 + 2n + -2n = 2n + -2n

Combine like terms: 2n + -2n = 0
3 + 0 = 2n + -2n
3 = 2n + -2n

Combine like terms: 2n + -2n = 0
3 = 0

Solving
3 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.