Determine what value(s) for the variable would make each algebraic equation a true number sentence.
m2 = 81 is true for_.
6p = 3p + 2p + p is true for_.
r + 74 = r - 74 is true for_.

How to solve a simultaneous equation involved with fractions?

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.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did