The sum of the two digits of a number is 16. the number formed by reversing the digits is 18 more than the original number. find the original number and its reversal.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

4+(2+x) can you me solve this problem

Can someone me with this? i’m not sure what to put for my equations.