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ahrayia [7]
1 year ago
15

B is the midpoint of ac. bc = 3x - 1. ac = x + 3. find the value of ab

Mathematics
1 answer:
Ilia_Sergeevich [38]1 year ago
8 0

Answer:

ab=bc because b devide ac in two equal sizes

ac=ab+bc

ac=2×ab

ac =2×bc

lets substitute ac and bc there we are given

x+3=2(3x-1)

x+3=6x-2

-5x/-5=-5/-5

x=1

ab=3(1)-1

ab=2

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