2 years ago

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

Mathematics

2 answers:

pentagon [3]2 years ago

7 0

Answer:

...

Step-by-step explanation:

ludmilkaskok [199]2 years ago

3 0

Answer:

x = 19

Step-by-step 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

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