1+9a+2a=

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Solution for 1+9a+2a= equation: 


Simplifying
1 + 9a + 2a = 0

Combine like terms: 9a + 2a = 11a
1 + 11a = 0

Solving
1 + 11a = 0

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 11a = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 11a = 0 + -1
11a = 0 + -1

Combine like terms: 0 + -1 = -1
11a = -1

Divide each side by '11'.
a = -0.09090909091

Simplifying
a = -0.09090909091

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