Find the sum of the arithmetic series if a1=−52,a28=−79,and n=28
1 answer:
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Answer:
x = -10
Step-by-step explanation:
We just have to translate the problem correctly
>8 times a number is the same
this tells me that
>as 30 less than 5 times the number.
Now set them equal to eachother
Now isolate the variable x
