tamika62 tamika62
  • 13-10-2021
  • Mathematics
contestada

Solve for x,DE,and EF

Solve for xDEand EF class=

Respuesta :

reinhard10158
reinhard10158 reinhard10158
  • 13-10-2021

Step-by-step explanation:

if I can read this right, then we have

DE = 3x + 4

EF = 7x - 6

in total, DF = DE + EF = 28

so,

3x + 4 + 7x - 6 = 28

10x - 2 = 28

10x = 30

x = 3

DE = 3×3 + 4 = 13

EF = 7×3 - 6 = 15

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