a+2a+2a+a=180

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Solution for a+2a+2a+a=180 equation: 


Simplifying
a + 2a + 2a + a = 180

Combine like terms: a + 2a = 3a
3a + 2a + a = 180

Combine like terms: 3a + 2a = 5a
5a + a = 180

Combine like terms: 5a + a = 6a
6a = 180

Solving
6a = 180

Solving for variable 'a'.

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

Divide each side by '6'.
a = 30

Simplifying
a = 30

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