Explantion: equation: Solution 1/16/2014 | Travina from Reston, VA | 1 Answer | 0 Votes Mark favorite Subscribe Comment
3 C + 8 = 7 C + 4 Take away 3 C from both sides: 8 = 4 C + 4 Take away 4 cubes from both sides: 4(1) = 4 C So each cup must hold 1 cube. 1/16/2014 | Steve S. Comment