Answer:

Explanation:

 : Swap the sides of the equation
 : Swap the sides of the equation

 : Move 1 to right hand side and change it's sign
 : Move 1 to right hand side and change it's sign

 : Calculate
 : Calculate
Remember : The negative and positive integers are always subtracted but posses the sign of the bigger integer.

The value of x = 11
Hope I helped!
Best regards! :D
~TheAnimeGirl