brxyann
brxyann brxyann
  • 12-09-2018
  • Mathematics
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Somebody explain how to/ solve this question please it’s really confusing to me

Somebody explain how to solve this question please its really confusing to me class=
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jimthompson5910 jimthompson5910
  • 12-09-2018

Answer: x = 10

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Segment BD bisects angle ABC, so angle ABC is cut in half by BD. This means the pieces ABD and DBC are congruent angles

(angle ABD) = (angle DBC)

(x) = (4x-30)

x = 4x-30

x-4x = -30

-3x = -30

x = -30/(-3)

x = 10


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