Find the value of ' x' if 8x+7,15,2x-7 are three concecutiveterms in AS
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Answer:
x = 3
Step-by-step explanation:
therefore,
a = 8x + 7
d = 2x- 7 - 15
= 2x - 22
t3 = a + 2d
2x - 7 = 8x + 7 + 2(2x -22)
2x - 7 = 8x + 7 + 4x - 44
2x -14 = 12x -44
12x - 2x = 44 - 14
10x = 30
x = 3
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