a+6a+2a=180

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Solution for a+6a+2a=180 equation: 


Simplifying
a + 6a + 2a = 180

Combine like terms: a + 6a = 7a
7a + 2a = 180

Combine like terms: 7a + 2a = 9a
9a = 180

Solving
9a = 180

Solving for variable 'a'.

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

Divide each side by '9'.
a = 20

Simplifying
a = 20

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