a+a+a=12

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Solution for a+a+a=12 equation: 


Simplifying
a + a + a = 12

Combine like terms: a + a = 2a
2a + a = 12

Combine like terms: 2a + a = 3a
3a = 12

Solving
3a = 12

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '3'.
a = 4

Simplifying
a = 4

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