83.9k views
1 vote
If RS= 3x + 1,ST= 2x-2, and RT=64 find the value of x

1 Answer

2 votes
If R, S, and T are collinear then you just need to use the segment addition postulate.
So it will be like RS+ST=RT
(3x+1)+(2x-2)=64
3x+1+2x-2=64
5x-1=64
5x=64+1
5x=65
x=65/5
x=13
User KarstenF
by
7.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.