Nimi404
What algebraic equation represents " three times the difference of a number,x, and nine equals fifteen"?
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UsukiDoll
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if it's just nine equals fifteen 9=15
hartnn
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difference of a number,x, and nine--->x-9
three times the difference of a number,x, and nine---->3(x-9)
equals fifteen --->=15
UsukiDoll
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three times the difference of a number x ummm...wow it's been years since I tackled this
UsukiDoll
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OH! Now I see it
UsukiDoll
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we need to read this carefully since putting it in order isn't correct. difference of a number x is not -x it's x-
hartnn
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so, what expression u got ?
Nimi404
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Thanks a lot
UsukiDoll
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3(x-9)=15
hartnn
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write the expression, so that we can verify
UsukiDoll
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distribute 3x-27=15
UsukiDoll
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oh crud too much info sorry
Nimi404
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3(x-9)=15
hartnn
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thats correct.
Nimi404
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Yeah
UsukiDoll
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x =14 XD
UsukiDoll
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|dw:1356777407547:dw|
hartnn
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yes, x=14, but it wasn't asked :P
UsukiDoll
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|dw:1356777459506:dw|
UsukiDoll
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|dw:1356777524314:dw|
Nimi404
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Hey Uski solve this betsy has a certain number of rings,r. The number oF rings vivan has is 4 times as great. Which expression can be used to determine the number of rings vivan has
UsukiDoll
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oh lord this type of stuff was years ago
UsukiDoll
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multiple choice?S
hartnn
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4 times as great---->4r
UsukiDoll
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I knew that.
UsukiDoll
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I'm sick really with a cold
UsukiDoll
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can't do math with a cold
hartnn
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its very cold here too !
UsukiDoll
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no seriously I'm sick with a fever.
hartnn
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rest for some time then...
UsukiDoll
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|dw:1356777717925:dw|
hartnn
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@Nimi404 , new Q, new post please...