Question

if a - 9 = 9 - a, then a = ?​

Answer 1

Answer:

a = 9

Step-by-step explanation:

please mark me as brainlest answer

Answer 2

Answer:

.

The value of a =9

Step-by-step explanation:

$a - 9 = 9 - a \\ \\ a + a = 9 + 9 \\ \\ 2a = 18 \\ \\ a = \frac{18}{2} \\ \\ a = 9$