Question 230816
good so far...


w = 23 - b


substituting ___ ((23 - b) / 4) + (b / 35) = 2


multiplying by 140 (LCD) ___ 805 - 35b + 4b = 280


adding 31b-280 ___ 525 = 31b ___ 525/31 = b


substituting ___ w = 23 - 525/31