Answer:
The answer to your question is x = 21
Step-by-step explanation:
Equation

- Multiply both sides by 7

- Simplify
2x = 42
- Divide both sides by 2

- Simplify
x = 21
(1) Repetition allowed : There are 4 choices for both positions, so 4 × 4 = 16 2-digit numbers can be formed. (2) Repetition not allowed : There are 4 options for tens position, and three options for ones position. Therefore, 4 × 3 = 12 2-digit numbers can be formed.
Exactly, Thank you again for these quotes!
-p.s you are loved <3
EDIT: THANKS FOR THE POINTS >:3
Answer:
4
Step-by-step explanation:
44 yeah yeah what about the other
Answer:
51 to 6
Step-by-step explanation: