X=28, you have to distribute the 4 to everything in the parentheses and also do the same thing for 5. then you get 4X-20-78=5X+30 . Combine like terms which is -20 and -78. You should get 4x+58=5X+30 finally solve for X and you get 28

The answer is 28 and the person that answered first explained how to get it