Aflower pot’s base has six sides that are all the same length. each side measures x−6 units. the base’s perimeter is 78 units.
what is the value of x? plz answer this is urgent

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle