2+4a+9a=

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Solution for 2+4a+9a= equation: 


Simplifying
2 + 4a + 9a = 0

Combine like terms: 4a + 9a = 13a
2 + 13a = 0

Solving
2 + 13a = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 13a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 13a = 0 + -2
13a = 0 + -2

Combine like terms: 0 + -2 = -2
13a = -2

Divide each side by '13'.
a = -0.1538461538

Simplifying
a = -0.1538461538

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