1+2+3+4+5=15

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Solution for 1+2+3+4+5=15 equation: 


Simplifying
1 + 2 + 3 + 4 + 5 = 15

Combine like terms: 1 + 2 = 3
3 + 3 + 4 + 5 = 15

Combine like terms: 3 + 3 = 6
6 + 4 + 5 = 15

Combine like terms: 6 + 4 = 10
10 + 5 = 15

Combine like terms: 10 + 5 = 15
15 = 15

Add '-15' to each side of the equation.
15 + -15 = 15 + -15

Combine like terms: 15 + -15 = 0
0 = 15 + -15

Combine like terms: 15 + -15 = 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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