x+6=x+6-7

Solution for x+6=x+6-7 equation:

Simplifying
x + 6 = x + 6 + -7

Reorder the terms:
6 + x = x + 6 + -7

Reorder the terms:
6 + x = 6 + -7 + x

Combine like terms: 6 + -7 = -1
6 + x = -1 + x

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

Combine like terms: x + -1x = 0
6 + 0 = -1 + x + -1x
6 = -1 + x + -1x

Combine like terms: x + -1x = 0
6 = -1 + 0
6 = -1

Solving
6 = -1

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.