SOLUTION: In a certain triangle, the second side is one-third of the first side in length. The third side is 2 meters less than the first side. The perimeter of the triangle is 26 meters. Fo

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Question 196477This question is from textbook
: In a certain triangle, the second side is one-third of the first side in length. The third side is 2 meters less than the first side. The perimeter of the triangle is 26 meters. Form an algebraic equation to express the problem, and identify the variables, coefficients, and constants of the algebraic expression. This question is from textbook

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+x/3+x-2=26
2x+x/3=26+2
(2x*3+x)/3=28
(6x+x)/3=28
7x=28*3
7x=84
x=84/7
x=12 ans. for the first side.
12/3=4 ans. for the second side.
12-2=10 ans. for the third side.
Proof:
12+4+10=26
26=26