Help pleaseee!!

-x + (–1) = 3x + (–5)

This is different from the first one can someone me

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)