-6a-3=9

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Solution for -6a-3=9 equation: 


Simplifying
-6a + -3 = 9

Reorder the terms:
-3 + -6a = 9

Solving
-3 + -6a = 9

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -6a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -6a = 9 + 3
-6a = 9 + 3

Combine like terms: 9 + 3 = 12
-6a = 12

Divide each side by '-6'.
a = -2

Simplifying
a = -2

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