Solve for x: |2x + 12| = 18 x = 3, x = −3 x = 3, x = −15 x = 15, x = −15 x = −3, x = 15

asked Oct 8, 2019 69.9k views

1 vote

Solve for x: |2x + 12| = 18

x = 3, x = −3

x = 3, x = −15

x = 15, x = −15

x = −3, x = 15

7.7k points

Please log in or register to add a comment.

7 votes

2x+12=18. 2x+12=-18
Subtract 12 from both sides
2x=6. 2x=-30
Divide both sides by 2

X=3. X=-15

Guy Yogev answered Oct 14, 2019

7.2k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers