what is the value of x in: -x/3 + 4 = 20

Could you guys please tell me how to do it and include the answer. I have other problems like this where x is negative so I just need to know how to do it :) Thanks!

2 answers

-x/3 = 20-4
-x/3 = 16
multiply by 3
-x = 48
x = -48
Thank you so much!