A triangle has side lengths of (5.5x +6.2y) centimeters, (4.3x + 8.3z) centimeters, and
(1.6z - 5.1y) centimeters. Write the most simplified expression to represent the perimeter, in centimeters of the triangle. Show all work.

please explain the process

A triangle has side lengths of 55x 62y centimeters 43x 83z centimeters and 16z 51y centimeters Write the most simplified expression to represent the perimeter i class=