a weather man reports that since 6:00 am this morning the tempature has droped by 20 f to the current tempature of 37 f what was the tempature at 6:00 am ?
a weather man reports that since 6:00 am this morning the tempature has droped by 20 f to the current tempature of 37 f what was the tempature at 6:00 am ?
Let x be the temperature at 6 AM. Then x - 20 = 37.