7a+13a=180

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Solution for 7a+13a=180 equation: 


Simplifying
7a + 13a = 180

Combine like terms: 7a + 13a = 20a
20a = 180

Solving
20a = 180

Solving for variable 'a'.

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

Divide each side by '20'.
a = 9

Simplifying
a = 9

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