Solve one step equations with rational coefficients

1. h+9.7=-9.7

2. -15=-0.2k

3. -2/3m=-12

4. -3/4+p=1/2

5. y/-3=1/6

6. 2.4=-t/4.5

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.