Value of x in 23/-x=2/8

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Find the values of y: 3y^3(y^2+ 2/3y)=0

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)