DavidJames
DavidJames DavidJames
  • 03-06-2019
  • Mathematics
contestada

Find length JM in the image attached.

Find length JM in the image attached class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-06-2019

Answer:

12

Step-by-step explanation:

I find it convenient to use the following relation:

JL -KL +5 = JM

(x +7) -(2x -4) +5 = 3x . . . . . substituting values shown

16 -x = 3x . . . . . . . . . . . . . . . collect terms

16 = 4x . . . . . add x

4 = x . . . . . . . divide by 4

JM = 3x = 3·4 . . . . . . find the length of JM

JM = 12

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