Order the steps to show how to solve the equation 2 (4x – 11) + 9 = 19. = Divide each side by 4.
= Add 11 to each side.
= Divide each side by 2.
2.
= Subtract 9 from each side.

=subtract 9 from each side

=divide each side by 2

=add 11 to each side

=Divide each side by 4

Step-by-step explanation:

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.