The length of the third side is 4x + 5
How to determine the length of the third side?
The given parameters are:
Length 1 = 3x + 2
Length 2 = 7x - 4
Perimeter = 14x + 3
The perimeter is the sum of the side lengths
So, we have:
Perimeer = Sum of side lengths
This gives
14x + 3 = 3x + 2 + 7x - 4 + Length 3
Evaluate the like terms
Length 3 = 4x + 5
Hence, the length of the third side is 4x + 5
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