272,100 views
5 votes
5 votes
⦁ Solve for x: 3|x – 7| = 15
SHOW WORK

User Jarrod Nettles
by
2.5k points

2 Answers

28 votes
28 votes
Ez way to do it use distribution 3x-21=15 add 21 to 15 =36
3x=36 divided by 3 both side x=12 x=2
User Jonathan Gurebo
by
2.5k points
27 votes
27 votes


3|x-7| = 15\\\\\implies |x-7| =\frac{15}3\\\\\implies |x -7| = 5\\\\\implies x -7 = 5 ~~ \text{or}~ x - 7 = -5\\\\\implies x = 12 ~~\text{or}~~ x = 2

User Arnold Balliu
by
3.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.