FebGameJam/Assets/Scripts/bettertransform.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class bettertransform : MonoBehaviour
{
    public float HorizontalSpeed = 1;
    public float MaxHorizontalPosition = 200;
    public float MinHorizontalPosition = -200;

    // Please, name correctly your variables.
    // Yourself, in 3 months will be grateful    
    private RectTransform rectTransform;

    void Start()
    {
        rectTransform = GetComponent<RectTransform>();
    }

    void Update()
    {
        Vector2 position = rectTransform.anchoredPosition;

        position.x += HorizontalSpeed * Time.deltaTime;

        if (position.x > MaxHorizontalPosition)
            position.x = MinHorizontalPosition;

        rectTransform.anchoredPosition = position;
    }
}