a+6a+3a=550

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Solution for a+6a+3a=550 equation: 


Simplifying
a + 6a + 3a = 550

Combine like terms: a + 6a = 7a
7a + 3a = 550

Combine like terms: 7a + 3a = 10a
10a = 550

Solving
10a = 550

Solving for variable 'a'.

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

Divide each side by '10'.
a = 55

Simplifying
a = 55

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