thanhtien1123 thanhtien1123

15-06-2014
Mathematics

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find x and EF if BD is an angle bisector

find x and EF if BD is an angle bisector class=

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guitargirly13 guitargirly13

15-06-2014

2x+6=4x-1
add 1 to both sides
2x+7=4x
subtract 2x from both sides
7=2x
divide both sides by 2
3.5=x

To find EF, plug in the x value
4x-1
4(3.5)-1
14-1
EF=13

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