Q19. 3X , (3X+3), and (2X-5) are in AP then X___
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Answer:
-11
Step-by-step explanation:
AP = 3x, 3x+3,2x-5
d = 3x+3 -3x
= 3
and
d = 2x-5 - 3x-3
d = -x-8
3 = -x-8
x = -11
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