z+7=7+z

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Solution for z+7=7+z equation:


Simplifying
z + 7 = 7 + z

Reorder the terms:
7 + z = 7 + z

Add '-7' to each side of the equation.
7 + -7 + z = 7 + -7 + z

Combine like terms: 7 + -7 = 0
0 + z = 7 + -7 + z
z = 7 + -7 + z

Combine like terms: 7 + -7 = 0
z = 0 + z
z = z

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

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

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