a+a+a=3a

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Solution for a+a+a=3a equation: 


Simplifying
a + a + a = 3a

Combine like terms: a + a = 2a
2a + a = 3a

Combine like terms: 2a + a = 3a
3a = 3a

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

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

Combine like terms: 3a + -3a = 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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