Answer: x=25.6
Step-by-step explanation:Look at pic to see how it is solved.
Times 6.4 on both sides which gives you 25.6 .
Excuse me, but do you mean valuable...?
Working backwards:
17-3=14
14/2=7
7 is the second term in the sequence. Continue backwards.
7-3=4
4/2=2
2 is the first term in the sequence, aka your answer.
I know the answer for two.All you do is 9 times 3 times 2