Answer:

Step-by-step explanation:

Subtract 4x from both sides:


Divide both sides by -5:


<span>each row has 102 seats
there are 7 rows in the auditorium. To find the number of seats in the auditorium
multiply number of rows with seats per row
7x102= 714
total 714 seats</span>
18 would be the right answer
It is either 0.80 or 80% I believe
(5p+12) (5p-12) i hope this helps