c + (4 - 3c) - 2 =0 (add 2 to both sides)
c + (4-3c) = 2 (subtract c from each side)
4-3c =2-c ( add 3c to both sides)
4 = 2 +2c (subtract 2 from both sides)
2 = 2c ( divide 2 on both sides)
c = 1 is your answer