Asked by Ayomide
The first three term of an A.P are × (3×+1)and(7×-4)
Answers
Answered by
mathhelper
I suppose you want to know what x is, right?
There was no question to your post.
3x+1 - x = 7x-4 - (3x+1) , by definition
2x + 1 = 4x - 5
-2x = -6
x = 3
check:
3, 10, 17 , sure enough! they form an AP
There was no question to your post.
3x+1 - x = 7x-4 - (3x+1) , by definition
2x + 1 = 4x - 5
-2x = -6
x = 3
check:
3, 10, 17 , sure enough! they form an AP
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