113k views
5 votes
The perimeter of a triangle is 70. If the three sides have lengths of (3x+2), (4x-3), and (x+7), find the length of the longest side

A. 15
B. 26
C. 29
D. 34

User Tmwanik
by
5.0k points

1 Answer

3 votes
(3x+2)+(4x-3)+(x+7)=70
8x+6=70
8x=64
x=8
now plug that x into all the sides equations
24+2=26
32-3=29
8+7=15
so your answer is 29 :)
User Webnesto
by
5.2k points