bridgetnerhus bridgetnerhus
  • 17-08-2021
  • Mathematics
contestada

∣x−18∣=5 absolute value

Respuesta :

geoli2003 geoli2003
  • 17-08-2021

Answer

x = 13 or x = 23

Step-by-step explanation:

|x-18| = 5 means there are two possibilities.

x-18 can equal 5 or equal -5 because absolute value sign makes everything inside it positive.

so you can write two equations and solve

first is x-18 = 5

x-18 + 18 = 5 + 18

x = 23

the second is x - 18 = -5

x - 18 + 18 = -5 + 18

x = 13

The two solutions are 13 and 23.

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