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OpenStudy (anonymous):
The Tigers won 8 games more than they lost, and there were no ties. If the Tigers played 78 games, how many games did they loose?
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jimthompson5910 (jim_thompson5910):
"The Tigers won 8 games more than they lost" ----> W = L + 8
jimthompson5910 (jim_thompson5910):
"the Tigers played 78 games (with no ties)" ----> W + L = 78
jimthompson5910 (jim_thompson5910):
W + L = 78
L + 8 + L = 78
Keep going to find L
OpenStudy (anonymous):
im so confused
jimthompson5910 (jim_thompson5910):
What do you get when you solve for L?
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OpenStudy (anonymous):
i dont get what you did
OpenStudy (anonymous):
i wrote let w= the games won
let l= the games lost
w+l=79
OpenStudy (anonymous):
thats all i get...
OpenStudy (anonymous):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
They played 78 games, not 79
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jimthompson5910 (jim_thompson5910):
So
W + L = 78
jimthompson5910 (jim_thompson5910):
L + 8 + L = 78
2L + 8 = 78
2L + 8-8 = 78-8
2L = 70
what's next?
OpenStudy (anonymous):
where does the l+8+l+8 come from? thats the only thing i dont get
OpenStudy (anonymous):
L + 8 + L = 78
jimthompson5910 (jim_thompson5910):
I have
W + L = 78
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jimthompson5910 (jim_thompson5910):
Replace W with L + 8 (since W = L + 8) to get
L + L + 8 = 78
OpenStudy (anonymous):
oh okay i got it so the anwer is 35 games lost
OpenStudy (anonymous):
thanks so much
jimthompson5910 (jim_thompson5910):
35 is the correct answer
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