C is between B and D BC = 8x +13 CD= 12x -73 BD =320 find the value of x

Question

asked Jul 5, 2021 86.7k views

2 Answers

ChrisianBartram · Answer 1 · 2021-07-07T01:34:09+0000

Answer:

x = 19

Explanation:

Since C is between B and D , then

BC + CD = BD , substitute values

8x + 13 + 12x - 73 = 320 , that is

20x - 60 = 320 ( add 60 to both sides )

20x = 380 ( divide both sides by 20 )

x = 19