no
first of all your equation does not "match" your question.
Did you want the 2nd car to have a speed of 83 mph or 48 mph ?
I will assume it was 48 mph
I will assume you let the time it took for this to happen to be x hrs
then indeed: 83x + 48x = 83
131x = 83
x = 83/131 hrs or .6336 hrs
or appr 38 minutes
your last two steps make no sense to me.
if one car drives at 83 mph and the other drives at 83 mph how long until their 83 miles apart.
i did 83x + 48x = 83
131x = 83/131 divided by 1
x = 83/131
multiply by 60/1 = 131 multiplied by 60 = 2.2
i got 2.2 hours
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