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OpenStudy (anonymous):
solve for \(x\)?
OpenStudy (anonymous):
if so,
\[{x\over3}+{5\over2}=10\]get common denominators \((6)\):\[{2x\over6}+{15\over6}={60\over6}\]the denominators no longer matter:\[2x+15=60\]solve for x, subtract ](15\) from both sides:\[2x=45\]isolate the \(x\), divide both sides by \(2\):\[x={45\over2}\] or if you want it in decimal form:\[x=22.5\]
OpenStudy (anonymous):
x/3+5/√2=10 solve for x plz
OpenStudy (anonymous):
\[\large{{x\over3}+{5\over\sqrt{2}}}=10~??\]
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
solve in simplest form not decimal plz
OpenStudy (anonymous):
follow the same steps as i gave above
OpenStudy (anonymous):
what do i do with the square root
OpenStudy (anonymous):
hint: the common denominator is \(3\sqrt{2}\)
OpenStudy (anonymous):
multiple by square root of 2?
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OpenStudy (anonymous):
either way
OpenStudy (anonymous):
can you show me
OpenStudy (anonymous):
quickly
OpenStudy (anonymous):
like first step .. what i should do
OpenStudy (anonymous):
\[{x\sqrt{2}\over3\sqrt{2}}+{15\over3\sqrt{2}}={30\sqrt{2}\over3\sqrt{2}}\]denominator no longer matters:\[x\sqrt{2}+15=30\sqrt{2}\]subtract 15:\[x\sqrt{2}=30\sqrt{2}-15\]\[x=\underline{~~~~~~~~~~~~~~~~~~~~}?\]
hint:divide both sides by \(\sqrt{2}\)
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