kcox2015 kcox2015
  • 11-09-2018
  • Mathematics
contestada

how to solve n-5*2/3=3/4

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gmany
gmany gmany
  • 13-09-2018

[tex]n-5\cdot\dfrac{2}{3}=\dfrac{3}{4}\\\\n-\dfrac{10}{3}=\dfrac{3}{4}\ \ \ \ |\cdot12\\\\12n-12\cdot\dfrac{10}{3}=12\cdot\dfrac{3}{4}\\\\12n-4\cdot10=3\cdot3\\\\12n-40=9\ \ \ \ |+40\\\\12n=49\ \ \ \ \ |:12\\\\n=\dfrac{49}{12}[/tex]

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