Kelly paid $300 dollars to exercise at a gym the initial membership fee was $75 her gym dues were $25 a month how many months did kyliengo to the gym?

How do i do this? i don’t understand

What is the value of x when x + 7 = 21?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.