5/2c - 3 = 3/7c + 4...subtract 3/7c from both sides 5/2c - 3/7c - 3 = 4.....add 3 to both sides 5/2c - 3/7c = 4 + 3....common denominator of 7 and 2 is 14 35/14c - 6/14c = 7...simplify 29/14c = 7....multiply both sides by 14/29, eliminating the 29/14 on left c = 7 * 14/29 c = 98/29 = 3 11/29
