15-2X = -45
7X+2=5X+12
How Do I show my work for both equations?

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

Me d is also an option but i couldn't get it in the picture

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )