daren02555 daren02555

19-08-2020
Mathematics

contestada

1
1 point
mZABD = 79
D
C
V
(5x + 4)
(8x - 3)
В B.
A
x= type your answer...
2
1 point

1 1 point mZABD 79 D C V 5x 4 8x 3 В B A x type your answer 2 1 point class=

Respuesta :

jimrgrant1 jimrgrant1

19-08-2020

Answer:

x = 6

Step-by-step explanation:

∠ DBC + ∠ ABC = ∠ ABD , substitute values

5x - 4 + 8x - 3 = 79

13x + 1 = 79 ( subtract 1 from both sides )

13x = 78 ( divide both sides by 13 )

x = 6

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