7th grade math Ms. Sue please last questions
posted by Delilah .
2.
6x + 29 = 5 (1 point)
–4
–18
204
–144
7.
4(y – 4) = 8 (1 point)
–2
2
4
6
9.
Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point)
2.10b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
21.39 – 2.10b = 12.99; 16 bottles
For #2, there is no 24.
Is #7 correct?
For #9, i don't know how to solve it.

Read my response carefully. I didn't tell you the value of x.
2.
6x + 29 = 5
6x = 5  29
6x = 24
7 is correct.
9. There are no correct answers. Please proofread to make sure you didn't make a typo. 
2. 4
7 correct
9. a it is 4 bottles and 2.10b