Answer:
First find the sum of 15 n-1
Step-by-step explanation:
then you can continue to 2n-1
6x + 10 + 2x = 42
- 10 -10
6x + 2x = 32
8x = 32
— —
8 8
X=4
Answer:
an=an−1+10, where a1=8
Step-by-step explanation:
it is
I think is the second choice!!!
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