Areal world situation that can be model with 3b - 5=22

Jon had put $5 in the bank. He was getting Interest from the bank (the bank was paying him the longer he kept his money in the bank) it was $3. Some time went by and he now had $22.

b = 9 (HE GOT $9 A WEEK! BUT YOU TAKE AWAY 5 BECAUSE HE PUT THAT MONEY IN NOT THE BANK)

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2