Answer:
The answer is 61.
Step-by-step explanation:
7(9)-2
63-2
61
To solve this, you need to isolate/get the variable "n" by itself in the equation:
Multiply 21 on both sides to get "n" by itself

Simplify the fraction
-18 = n
Answer:
Zac is 9.
Step-by-step explanation:
Half of 6 is 3, and 6 years older would be 9!
Answer:
Your answer is option C … (-5, -1, 0)
Step-by-step explanation:
NOT a function ......................... :)