Answer:
Answer is 5y
Step-by-step explanation:
17y-12y=5y
5y i guess ' - '
i am not sure tho
A=45m^2
l*w
the answer would be 9 I think
5 x - 2x + 7 - x = 2x + 7
simplify
(5x - 2x - x) = 2x
2x + 7 = 2x + 7