Answer:
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Answer:
66 6 I am not your friend 6
Step-by-step explanation:
Answer: 9+4n-1 = 20
We can solve this by substitution.
Replace n with the value given, 3 (remember 4n means 4 times n):
9 + 4*3 - 1
Then work it out using arithmetic
9+12-1
=20
1) 5 +8i
2) 11+2i
3) 6i sqrt(2)