SOLUTION: The diagram shows an equilateral triangle. (On the page). Left side- 2x+y Right side- 5x-8 Base 3y+2 All sides are measured in cm! A) Show that 3y=5x-10 B) Find the value o

Algebra ->  Linear-equations -> SOLUTION: The diagram shows an equilateral triangle. (On the page). Left side- 2x+y Right side- 5x-8 Base 3y+2 All sides are measured in cm! A) Show that 3y=5x-10 B) Find the value o      Log On


   



Question 843194: The diagram shows an equilateral triangle. (On the page).
Left side- 2x+y
Right side- 5x-8
Base 3y+2
All sides are measured in cm!
A) Show that 3y=5x-10
B) Find the value of x and y
C) Find the perimeter of the trianlge
Thanks!

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2x+y=5x-8,
5x-8=3y+2,
2x+y=3y+2
A) from the second equation we can see that
5x-8=3y+2
subtract 2 from both sides
3y=5x-10

B)x = 7/2, y = 5/2
C) 9.5 each side
28.5 for the perimeter