Answer:
it will take about 1/3 of the time (10 minutes)
Step-by-step explanation:
y = -3x - 4
x - y - 2 = 4x + 2
x - y - 2 + y = 4x + 2 + y
x - 2 = 4x + 2 + y
x - 2 - 4x - 2 = 4x + 2 + y - 4x - 2
-3x - 4 = y
so y = -3x - 4
<u>OAmalOHopeO</u>