Question

The perimeter of the triangle is (12x - 7) un. Find the length of the missing side. CLEARLY SHOW YOUR WORK.

Answer 1

Answer:

3x-3

Step-by-step explanation:

let the third side be side

Answer 2

Answer: 3x -3

Step-by-step explanation: Add the sides-(x -8) + (8x +4)= 9x -4

Subtract the perimeter (12x -7) from 9x -4= 3x -3