Which equation shows the substitution method being used to solve the system of linear equations? i was thinking b but don't know for sure
x + y = 6
x = y + 2
a.
x + (y + 2) = 6
b.
x + y = y + 2
c.
(y + 2) + y = 6
d.
x = (x – 6) + 2

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

What is the result of adding the system of equations? 2x+y=4 3x-y=6