Answer:
x=2
Step-by-step explanation:
55=5(3x+5)
11=(3x+5)
6=3x
2=x
The first option is correct
Standard form starts with the term that has the highest x degree then decreases.
:)))
Answer:
Your answer is
9n +12
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Step-by-step explanation:
Visualize one train going north and the other going south. To determine their distance apart, we could add the distance one train travels north to the distance that the other train travels south.
Thus, |62 kph * t| + |68 kph * t] = 455 km (Seems that you may be mixing km with miles; can't do that; choose one or the other.)
Then
455 km
------------------------ = t = 3.5 hours
(62 kph + 68 kph)
