5x+2y=7
7x-2y=5 its subtract not add
The answer is b. Plug in y and simplify the question
Answer:

where t is the total amount of tables assembled and x is her total pay for the week.
Answer: The answer is 27 to fill in the blank.
Step-by-step explanation:
(9*8)-(9*5)= (8-5)
(9*8)=72
72-(9*5)= (8-5)
72-45=27(8-5)