SOLUTION: A triangle has sides 3x + 7, 4X - 9 and 5x +6. Find the expression that represents its perimeter. (3 + 4 + 5) x =12x 7 -9 +6 -2 +6 = +4 I'm not sure and confused. Please

Algebra ->  Triangles -> SOLUTION: A triangle has sides 3x + 7, 4X - 9 and 5x +6. Find the expression that represents its perimeter. (3 + 4 + 5) x =12x 7 -9 +6 -2 +6 = +4 I'm not sure and confused. Please      Log On


   

Question 51044: A triangle has sides 3x + 7, 4X - 9 and 5x +6. Find the expression that represents its perimeter.
(3 + 4 + 5) x
=12x
7 -9 +6
-2 +6 = +4
I'm not sure and confused. Please help me I know it's simple but I'm lost.
Thanks, Pat
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
3X+7+4X-9+5X+6=PERIMETER OR 12X+4=PERIMETER