3+x=x+3

Solution for 3+x=x+3 equation:

Simplifying
3 + x = x + 3

Reorder the terms:
3 + x = 3 + x

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

Combine like terms: 3 + -3 = 0
0 + x = 3 + -3 + x
x = 3 + -3 + x

Combine like terms: 3 + -3 = 0
x = 0 + x
x = x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.