Jeremy wrote this equivalent equation to solve for x: x = negative 11 y minus 140

Which of these equations might have been Jeremy’s original equation? Check all that apply.
y + 7x = 23
y + 11x = 140
2x – 22y = –140
3x + 33y = –420
x + 140 = –11y

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Which choice represents the sample space ,s for this event

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest