23 = w/3 i just need help on a couple of questions

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?