Answer:

Step-by-step explanation:
=> 5x-4+2(x-4) = 16
Expanding the brackets
=> 5x-4+2x-8 = 16
Combining like terms
=> 5x+2x-4-8 = 16
=> 7x - 12 = 16
Adding 12 to both sides
=> 7x = 16+12
=> 7x = 28
Dividing both sides by 7
=> x = 4
Find the average.
6+4=10
10/2=5
It takes 5 hours
Answer:
Y=MX+B is the intercept formula
Step-by-step explanation:
Y=Y
M= slope
x= x-value
B= y intercept
(5rs-1t3)(-3r2st)
-30r^2s^2t+18rst^2