Take this example (cause it's easy to explain)
10+5x=15x
To solve it we have to minus five on both side. We have to do this because we need to isolate the variable (in this case x) on the one side so we can divide and solve.
You would -5x (inverse from positive 5) from both sides on this because whatever you do to one side you have to do to the others to make it equal. In this case the answer would be x=1 (again cause it's easy lol.)
I hope this helps you!
Answer:
they will make $33,800 in a year.
Step-by-step explanation:
there are 52 weeks in a year, so $650×5= $33,800
The answer is 8.333333333
Hour one:
Eastbound train- 65 mi
Westbound train- 85 mi
150 miles apart
Hour two:
Eastbound train- 130 mi
Westbound train- 170 mi
300 miles apart
Eastbound train travels 32.5 miles in 30 min, Westbound train travels 42.5 miles in 30 min
Two and a half hours:
Eastbound train- 162.5 mi
Westbound train- 212.5 mi
