Calibration of accelerometer with offset

Hello,

I try to get input x and y value at the beginning and create and offset value, after that in every update current x - offset x = movement vector but i get an error . New to programming and any help is appreciated.

Assets/Scripts/Movementacc.cs(40,46): error CS1525: Unexpected symbol =' Assets/Scripts/Movementacc.cs(41,46): error CS1525: Unexpected symbol ='

 using UnityEngine;
 using System.Collections;
 
 public class Movementacc : MonoBehaviour {
 
     public float speed;
     public float speed1;
     public float jumpforce;
     private Rigidbody rb;
 
     public AudioClip jumpSound;
     private AudioSource SoundSource;
 
     public GameObject ballParticle;
 
     public float offSetX;
     public float offSetY;
     public float cX;
     public float cY;
 
     public void Calibrate()
     {
         Input.acceleration.x=offSetX;
         Input.acceleration.y=offSetY;
     
     }
 
 
 
     void Start ()
     {
         rb = GetComponent<Rigidbody>();
         SoundSource = GetComponent<AudioSource>();
         Calibrate ();
     }
     
     void FixedUpdate ()
     {
 
         Input.acceleration.x-offSetX = cX;
         Input.acceleration.y-offSetY = cY;
 
         Vector3 movement2 = new Vector3(cX, 0.0f, cY);
 
 
         rb.AddForce(movement2 * speed * Time.deltaTime);
         Vector3 movement = new Vector3(Input.GetAxis("Horizontal"), 0.0f, Input.GetAxis("Vertical"));
 
         rb.AddForce(movement * speed1 * Time.deltaTime);
     }
 
     void OnCollisionEnter (Collision col)
     {
         Vector3 jumpvec = new Vector3 (0.0f, 1.0f, 0.0f);
         if(col.gameObject.name == "JumpPad")
         {
             rb.AddForce(jumpvec*jumpforce);
             SoundSource.PlayOneShot(jumpSound,1.0f);
         }
     }
 
 
 
 }