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Mathhelp346
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|dw:1355190894462:dw|
Tabbiejack
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I'm trying to solve this equation
Mathhelp346
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Those are the steps. What are you confused about?
Tabbiejack
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I see it but I'm just trying to see how you got that
Mathhelp346
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Well, first you would add either 9 or 6 to both sides to combine like terms. I chose 6.
KiwiBaby
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-6+3x=-9
Add 6 to both sides so "3x" will be by itself.
3x=-3
Then divide by 3 on both sides so x will be by itself.
x=-1
Tabbiejack
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Ok cool
Tabbiejack
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How do I draw something
Mathhelp346
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Click "Draw" under the box where you type your responses. It's between "Equation" and "Attach File"
Tabbiejack
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I don't see that
Mathhelp346
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Do you see the box where you type your responses and comments at?
Tabbiejack
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I guess because I'm using an iPad
Mathhelp346
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Oh
Tabbiejack
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Can you draw something for me
Tabbiejack
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X/5 x on top 5 on bottom + 9 = 4
Mathhelp346
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|dw:1355191847375:dw|
Tabbiejack
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Yes how do I solve that
kelliegirl33
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x/5 + 9 = 4
(5) x/5 + (5)9 = (5)4 (multiply everything by five to get rid of the fraction)
x + 45 = 20 (subtract 45 from each side to get x by itself)
x + 45 - 45 = 20 - 45
x = 20 - 45
x = - 25
check...
x/5 + 9 = 4
- 25/5 + 9 = 4
- 5 + 9 = 4
4 = 4 (correct)
ANSWER : x = - 25
Tabbiejack
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Got it thanks
kelliegirl33
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no problem