Write the difference of 17x−13y+8 and 20x+6y

difference of 17x−13y+8 and 20x+6y

17x-13y+8-(20x+6y)

Distributing negative over second bracket we get,

17x-13y+8-20x-6y

combining like terms we get,

-3x-19y+8

difference of 17x−13y+8 and 20x+6y is -3x-19y+8

tickets for the harlem globetrotters

show at michigan state university in

2010 cost $16, $23, or, for vip seats, $40.

total revenue = 16x + 23y + 40z

if 9 times as many $16 tickets were sold

as vip tickets,

x = 9z => x – 9z = 0, if 9 times as many $16 tickets were sold

as vip tickets,

x = 9z => x – 9z = 0, sales of all three kinds of tickets would

total $46,575.

16x + 23y + 40z = 46575, how many of each kind of ticket would

have been sold?

solve for x, y and z

x − 9z = 0

x − y − z = 55

16x + 23y + 40z = 46575

x = 1170

y = 985

z = 130

welcome!