if m is the midpoint of CD, CM= 4x-5, and md=2x +5, what is x?

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19-03-2018
Mathematics

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if m is the midpoint of CD, CM= 4x-5, and md=2x +5, what is x?

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calculista calculista · Answer 1 · 2018-03-28T03:32:56+02:00

calculista calculista

28-03-2018

we know that

if M is the midpoint of CD
--------------------------------------
C M D

then
CM=MD
CM=4x-5
MD=2x+5
so
4x-5=2x+5-----------> 4x-2x=5+5----------> 2x=10---------> x=5

the answer is
x=5

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