.3a+.03a=9.9

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Solution for .3a+.03a=9.9 equation: 


Simplifying
0.3a + 0.03a = 9.9

Combine like terms: 0.3a + 0.03a = 0.33a
0.33a = 9.9

Solving
0.33a = 9.9

Solving for variable 'a'.

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

Divide each side by '0.33'.
a = 30

Simplifying
a = 30

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