find a,b,c such that the following no. are in a,7,b,23,c.....
Answers
Answered by
1
Answer:
a= -1,b=15,c=31
Step-by-step explanation:
7is second term
:. a+d=7........(1)
23 is fourth term
:. a+3d=23....(2)
(2)-(1)
a +3d = 23
-a - d. = -7
=
Answered by
7
Answer:
23-b=b-7
2b =30
b =15
then
7-a= b-7
7-a=15-7
7-a=8
a=1
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