ravensauvageau ravensauvageau

26-04-2018
Mathematics

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B is the midpoint of AC. If AB= x+5 and BC= 2x-11, find the measurement of AB

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choixongdong choixongdong

26-04-2018

B is the midpoint of AC
so
AB = BC
x+5 = 2x-11
x - 2x = -11 - 5
-x = -16
x = 16

AB = 16 +5
AB = 21

answer
21

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mknzynonrcross mknzynonrcross

26-04-2018

x + 5 = 2x - 11
-x +11 -x +11
x =16

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