bored44 bored44
  • 10-09-2018
  • Mathematics
contestada

If ad= 20 and ac=3x+4,find the value of x.

Respuesta :

piperking piperking
  • 10-09-2018

We have AD =  DC

Thus, AC  = AD + AD = 20 + 20 = 40

We have:

3x + 4 =  40

3x =  40 - 4

3x =  36

x =  36 / 3

x =  12

AD= 20

AC= 40

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