jascarbajal11 jascarbajal11

13-05-2020
Mathematics

contestada

How do you solve this? I need help !

How do you solve this I need help class=

Respuesta :

harryxuanfu harryxuanfu

13-05-2020

Answer:

X=9

Step-by-step explanation:

3x+15x+18=180

18x+18=180

x+1=10

x=9

Answer Link

Аноним Аноним

13-05-2020

Solution:

<ABC+<CBD=180° (Linear pair)

3x+15x+18=180°

18x=180-18

18x=162

x=162/18

x=9

Answer Link

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