SOLUTION: The perimeter of a triangle is 45 inches. The fist side is twice the length of the second, and the third side is 5 inches longer than the second. Find the length of each side.

Question 278369: The perimeter of a triangle is 45 inches. The fist side is twice the length of the second, and the third side is 5 inches longer than the second. Find the length of each side.
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
a+b+c=45
a=2b
c=5+b
substitute and solve for b, then a and c.
add
subtract
divide
second
a=2b

first
c=5+b

third
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