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OpenStudy (anonymous):
i need help with clearing equations pf fractions
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OpenStudy (anonymous):
of
OpenStudy (anonymous):
\[\frac{ 2x }{ 15 }+\frac{ 5x }{ 25}-\frac{ 4x }{ 9 }+\frac{ x }{ 6 }=\frac{ 1 }{ 9 }\]
OpenStudy (anonymous):
i have to find the lcd and multiply it by both sides?
OpenStudy (anonymous):
but the 9 wont cancle out
OpenStudy (anonymous):
using ktnguyen1's info from above:
you need each value as many times as it appears:
2x3x3x5x5 = 450
this is LCD
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OpenStudy (anonymous):
after factoring i got x=2 but when i checked it it was wrong?
OpenStudy (phi):
\[ \frac{ 2x }{ 15 }+\frac{ 5x }{ 25}-\frac{ 4x }{ 9 }+\frac{ x }{ 6 }=\frac{ 1 }{ 9 }\]
multiply through by \(2\cdot3^25^2\)
\[ 60x + 90x - 200x + 75x= 50 \]
is that what you got (so far)?
OpenStudy (phi):
that simplifies to 25x=50 and x= 2
OpenStudy (anonymous):
yes that is what i got but when i checked it it was wrong
OpenStudy (anonymous):
i got it thank you all
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OpenStudy (phi):
when I checked it (with a calculator) it works... so you must have goofed during the checking
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