12a-9=3

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Solution for 12a-9=3 equation: 


Simplifying
12a + -9 = 3

Reorder the terms:
-9 + 12a = 3

Solving
-9 + 12a = 3

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 12a = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 12a = 3 + 9
12a = 3 + 9

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

Divide each side by '12'.
a = 1

Simplifying
a = 1

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