Jessica bought x tickets for her and her friends to go to the ballet and the opera.the expression 9x+42 represents the total cost for the ballet.the expression 14x+17 represents the total cost for the opera.If Jessica and six of her friends go to both how much more does the Opera cost?

2 answers

does anyone has an answer i have a homework and its almost 10PM!!
(14x+17)-(9x+42) = 5x-25
when x=6, that's 5*6-25 = 5

or, when x=6,
ballet = 9x+42 = 54+52 = 96
opera = 14x+17 = 101
101-96 = 5