paige3673
19.10.2021 •
Mathematics
Checkpoint Problem: Find the value of x that makes x + 8, 4x + 6,3x the first three terms of an arithmetic sequence
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Ответ:
I'm sorry if this is wrong
I tried
Let present age of Anne be x
Two years ago she was Jim's age which is 10 yrs she is now double that age
10(x-2)
10x-20
= She is now 20 yrs