The value of n is 11.
Step-by-step explanation:
The given expression is (n-9) ÷ 10 = -2
To find the value of n :
The expression becomes (n-9) = (10[tex]\times[/tex] -2).
⇒ n-9 = -20
Keep the n term on one side and the constants on other side.
⇒ n = -20+9
⇒ n = -11
Therefore, the value of n is 11.