kaylonixoxo kaylonixoxo

26-02-2017
Mathematics

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Please help me solve the first one and show all work

Please help me solve the first one and show all work class=

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debambarish2013 debambarish2013

26-02-2017

Acc. to midpoint theorem,

15={(2x+9) + (4x-15)}/2
⇒ 30=2x+9+4x-15
⇒ 30-9+15=6x
⇒ 36/6=x
⇒6=x

WZ= 4x-15
=4*6-15
=24-15=9

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