(7+i)+13=7+(i+13)

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Solution for (7+i)+13=7+(i+13) equation: 


Simplifying
(7 + i) + 13 = 7 + (i + 13)

Remove parenthesis around (7 + i)
7 + i + 13 = 7 + (i + 13)

Reorder the terms:
7 + 13 + i = 7 + (i + 13)

Combine like terms: 7 + 13 = 20
20 + i = 7 + (i + 13)

Reorder the terms:
20 + i = 7 + (13 + i)

Remove parenthesis around (13 + i)
20 + i = 7 + 13 + i

Combine like terms: 7 + 13 = 20
20 + i = 20 + i

Add '-20' to each side of the equation.
20 + -20 + i = 20 + -20 + i

Combine like terms: 20 + -20 = 0
0 + i = 20 + -20 + i
i = 20 + -20 + i

Combine like terms: 20 + -20 = 0
i = 0 + i
i = i

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

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

Combine like terms: i + -1i = 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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