Answer:
9 ➡ 47
12 ➡ 62
x ➡ 5x + 2
Explanation:
I used guess and check
When multiplied by 5 and add 2, it works
1 * 5 = 5 + 2 = 7
8 * 5 = 40 + 2 = 42
The answer is that you should ask your teacher
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