Answer :
This could get complicated. Please try to follow my steps carefully:
Begin by writing the equation to be solved: 12E - 4 = 0
Add 4 to each side of the equation: 12E = 4
Divide each side by 12: E = 4/12 = 1/3 .
Begin by writing the equation to be solved: 12E - 4 = 0
Add 4 to each side of the equation: 12E = 4
Divide each side by 12: E = 4/12 = 1/3 .