2A+A=12

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Solution for 2A+A=12 equation: 


Simplifying
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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