Solve ax−12=9 .

Answer 1

To solve the equation \( ax - 12 = 9 \), follow these steps:

1. Add 12 to both sides of the equation:

   \[ ax = 9 + 12 \]

   \[ ax = 21 \]

2. Divide both sides by \( a \) (assuming \( a \neq 0 \)):

   \[ x = \frac{21}{a} \]

So, the solution is:

\[ x = \frac{21}{a} \]