On both sides of the equal sign you subtract b (-b) which would give you -b+y=2x after that you subtract a y (-y) which gives you -b=2x-y now I was taught that you can't have a negative letter equal something so you change all of the signs to the opposite which would give you b=-2x+y
Your answer should be 30.75
Answer:
if you get a 12% discount on a $67.98 jacket, what is the new price?
(Hope this helps!)