You can
put this solution on YOUR website!Let x = votes cast for the loser
x+ 220 = votes cast for the winner
Total votes cast= 810
x + x+ 220 = 810
2x + 220 = 810
2x+220-220= 810-220
2x= 590
x= 295 votes for the loser
x+ 220 = 515 votes for the winner
Check: 295+ 515 = 810 total votes cast
R^2