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Seven subtracted from 3 times a number is equal to 9 more than 5 times the number. What is the number?
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@KamiBug
3x - 7 = 5x + 9 Can you solve that? :)
- 5x from both sides right?
Right! ^.^ Next?
3x-7-5x = 5x+9-5x?
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Right. What does that give you?:)
2x-7=9
The 2x should be negative :) ... 3x - 5x = -2x
ooh ok. so now i divide right
i mean subtract 7 lol
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Add 7 ;D
k why add?
i got 5=9 now
When you add 7 to both sides you should get this... -2x - 7 = 9 -2x - 7 + 7 = 9 + 7 -2x = 16 Now we divide both sides by -2 to find x :) Get it?
-8
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Correct!
Thank yooouuu
Sure ~~(^_^)~~
can u check one i did?
@KamiBug
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Okay. ^.^
2(2w-6)=6(w-6)+14 I got w=5
Yay! It's right. ;D
Okay ty :)
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