3A+A=20

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Solution for 3A+A=20 equation: 


Simplifying
3A + A = 20

Combine like terms: 3A + A = 4A
4A = 20

Solving
4A = 20

Solving for variable 'A'.

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

Divide each side by '4'.
A = 5

Simplifying
A = 5

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