SOLUTION: A team played 57 games, they lost 21 more games than they won. How many games did they win? Solve the problem
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Question 822133: A team played 57 games, they lost 21 more games than they won. How many games did they win? Solve the problem
Found 2 solutions by tommyt3rd, LinnW:
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
1) w+l=57
2)-w+l=21
2l=78
l=39
w=57-39=18
Answer by LinnW(1048) (Show Source): You can put this solution on YOUR website!
I suppose we can assume that there are no tie games.
Set w = games won
l = games lost
w + l = 57
l = w + 21
Substitute ( w + 21 ) for l in w + l = 57
w + ( w + 21 ) = 57
2w + 21 = 57
subtract 21 from each side
2w = 36
w = 18
substitute 18 for w in l = w + 21
l = 18 + 21
l = 39
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