503errorpabatta 503errorpabatta
  • 17-09-2018
  • Mathematics
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[tex] \frac{4}{5 } = \frac{x + 2}{2} [/tex]

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gmany
gmany gmany
  • 22-09-2018

[tex]\dfrac{x+2}{2}=\dfrac{4}{5}\ \ \ \ \ |\text{cross multiply}\\\\5(x+2)=(4)(2)\ \ \ \ \ |\text{use distributive property}\\\\(5)(x)+(5)(2)=8\\\\5x+10=8\ \ \ \ |\text{subtract 10 from both sides}\\\\5x=-2\ \ \ \ \ |\text{divide both sides by 5}\\\\\boxed{x=-\dfrac{2}{5}}[/tex]

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