Math equation need help figuring out how to put the equation together.

Question

alex had 40 flyers to hand out. he gave out x flyers. brad had 55 flyers and gave out twice as many flyers as alex did. how many flyers did alex give out if they had the same number of flyers left.

Answer 1

40 - x = 55 -2x

2x-x = 55- 40

x = 15= how many Alex gave out

each had 25 left