I want a way to solve such a problem

Ineed with number 17 i don’t get it at alll

What is the value of x in the following equation? -3x-2=2x+8

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3