Answer:
9x -2
Step-by-step explanation:
(7x + 3) + (4x - 1) - (2x + 4)
Distribute the minus sign
(7x + 3) + (4x - 1) - 2x - 4
Combine like terms
7x+4x-2x +3 -1-4
9x -2
28 x 25 = $700
Answer: The class raises at least $700.
It’s b pls brainiest me have a Good day
X = k x y
21 = k x 3
k = 7
x = 7y
x = 7(10)
x = 70
