SOLUTION: The perimeter of an isosceles triangle is 29 inches. The length of each of the two equal legs is 3 inches less than 3 times the length of the base? Find the length of the base.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The perimeter of an isosceles triangle is 29 inches. The length of each of the two equal legs is 3 inches less than 3 times the length of the base? Find the length of the base.      Log On


   

Question 1002846: The perimeter of an isosceles triangle is 29 inches. The length of each of the two equal legs is 3 inches less than 3 times the length of the base? Find the length of the base.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, each of the congruent sides
b, base side

Description indicates x=-3%2B3b.

Perimeter description gives b%2Bx%2Bx=29
and then
b%2B2x=29
b%2B2%283b-3%29=29
b%2B6b-6=29
7b-6=29
7b=35
b=35%2F7
highlight%28b=5%29