SOLUTION: The sides of a triangle measure x + 5, 2x − 1, and 4. For how many values of x will the triangle be isosceles?

Algebra ->  Triangles -> SOLUTION: The sides of a triangle measure x + 5, 2x − 1, and 4. For how many values of x will the triangle be isosceles?      Log On


   

Question 321682: The sides of a triangle measure x + 5, 2x − 1, and 4. For how many values of x will the triangle be isosceles?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Three possible values:
x%2B5=4
x=-1
Not allowed since one side would be 2%28-1%29-1=-3
2x-1=4
2x=5
highlight%28x=5%2F2%29
.
.
.
x%2B5=2x-1
highlight%28x=6%29
.
.
.
In fact, only two value of x make the triangle isoceles.