A+A+A=120

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Solution for A+A+A=120 equation: 


Simplifying
A + A + A = 120

Combine like terms: A + A = 2A
2A + A = 120

Combine like terms: 2A + A = 3A
3A = 120

Solving
3A = 120

Solving for variable 'A'.

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

Divide each side by '3'.
A = 40

Simplifying
A = 40

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