Obtenha a solução de cada equação a)2x=16 b)y+5=9
c)32-1=14
d)17-19-2x
e)10-4y=y
f)3-z=5z-15

the answer is a

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.

the answer to your question is b.