Brittanyleann_2
solve:
(9/x)+2=-4/5
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ash2326
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\[\frac{9}{x}+2=-\frac{4}{5}\]
We notice that in the denominator there is x and 5. So we multiply 5x to both the sides
\[5x \times (\frac{9}{x}+2)=-5x \times \frac{4}{5}\]
Can you tell what we'll get now?
Brittanyleann_2
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this is where im having problems do the x's cancel out?
ash2326
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@sasogeek will you please help here. I'm sorry @Brittanyleann_2 I gotta go now
Diyadiya
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Yes they cancel out
Diyadiya
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You get
40+10x = -4x
Diyadiya
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\[5x \times \frac{9}{x}+ 5x \times 2 = -5x \times \frac{4}{5}\]
Brittanyleann_2
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40/-14 is what i got but thats incorrect
sasogeek
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40?
Diyadiya
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\[5 \cancel{x} \times \frac{9}{\cancel{x}}+ 5x \times 2 = -\cancel{5}x \times \frac{4}{\cancel{5}}\]
Diyadiya
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\[40+10x=-4x\]Subtract 10x from both sides \[40=-14x\]\[x= \frac{-40}{14}\]
Diyadiya
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Now you can simplify the answer
sasogeek
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5*9=40?
Diyadiya
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OOOPS SO sorry!
Diyadiya
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Thats 45 ;/
Diyadiya
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Thank You @sasogeek
Brittanyleann_2
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ok i got it that makes more sense. thank you
Diyadiya
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Oh i'm sorrrrrrry about that!!
something went wrong with me :S