SOLUTION: The perimeter of a trinagle is 23 the length of the sides are x+1,x-2 and 10 what is the value of x?

Algebra ->  Triangles -> SOLUTION: The perimeter of a trinagle is 23 the length of the sides are x+1,x-2 and 10 what is the value of x?       Log On


   

Question 531669: The perimeter of a trinagle
is 23 the length of the sides are
x+1,x-2 and 10 what is the value of x?
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
P = 23
.
x+1 +(x-2) + 10 = 23
.
2x +9 = 23
.
2x = 14
.
x = 7