-12-9a=-4

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


Simplifying
-12 + -9a = -4

Solving
-12 + -9a = -4

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + -9a = -4 + 12

Combine like terms: -12 + 12 = 0
0 + -9a = -4 + 12
-9a = -4 + 12

Combine like terms: -4 + 12 = 8
-9a = 8

Divide each side by '-9'.
a = -0.8888888889

Simplifying
a = -0.8888888889

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