please help CS0029 and CS1612

using UnityEngine;
using System.Collections;
using UnityEngine.SceneManagement;

public class Savegame : MonoBehaviour {
public Transform Player;

void Awake()
{
    Player.position.x = new Vector3(PlayerPrefs.GetFloat("x"), PlayerPrefs.GetFloat("y"), PlayerPrefs.GetFloat("z"));
    Player.eulerAngles = new Vector3(0,PlayerPrefs.GetFloat("Cam_y"),0);
}

public void SaveGameSettings(bool Quit)
{
    PlayerPrefs.SetFloat("x", Player.position.x);
    PlayerPrefs.SetFloat("y", Player.position.y);
    PlayerPrefs.SetFloat("z", Player.position.z);
    PlayerPrefs.SetFloat("Cam_y", Player.eulerAngles.y);
    if (Quit)
    {
        Time.timeScale = 1;
        SceneManager.LoadScene("primaryScene");
    }
}

}

Your trying to set a single vector representation to a Vector3 type. Remove the x after position:

Previous/Incorrrect:

Player.position.x = new Vector3(PlayerPrefs.GetFloat("x"), PlayerPrefs.GetFloat("y"), PlayerPrefs.GetFloat("z"));

Fixed

Player.position = new Vector3(PlayerPrefs.GetFloat("x"), PlayerPrefs.GetFloat("y"), PlayerPrefs.GetFloat("z"));