Answer:
128
Step-by-step explanation:
Use substitution
x -4x - 7 = 2
-3x = 9, x = -3
Y = -4(-3) - 7
Y = 12 - 7, y = 5
Solution: x = -3, y = 5
42,048,000, first solve the equation then multiply it by the number of days in a year
Answer:
the second one
Step-by-step explanation:
and go to Mr.beast.com