Question

At a local fitness center members pay a a $ 14 membership fee and $ 2 for each aerobics class. Nonmembers pay $ 4 for each aerobics class. For what number of aerobic classes will the cost for members and nonmembers be the same?

Answer 1

14+2x=4x: divide 2x on each side

14=2x: divide by 2

7=x

7