-12a-3a-4a=9

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Solution for -12a-3a-4a=9 equation: 


Simplifying
-12a + -3a + -4a = 9

Combine like terms: -12a + -3a = -15a
-15a + -4a = 9

Combine like terms: -15a + -4a = -19a
-19a = 9

Solving
-19a = 9

Solving for variable 'a'.

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

Divide each side by '-19'.
a = -0.4736842105

Simplifying
a = -0.4736842105

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