makaylajad makaylajad
  • 25-08-2016
  • Mathematics
contestada

what's the equation for "ten times the sum of half a number x and 5 is 8"

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dalendrk
dalendrk dalendrk
  • 28-08-2016
[tex]10\left(\dfrac{1}{2}x+5\right)=8\ \  \ \ |use\ distributive\ property:a(b+c)=ab+ac\\\\5x+50=8\ \ \ \ |subtract\ 50\ from\ both\ sides\\\\5x=-42\ \ \ \ |divide\ both\ sides\ by\ 5\\\\x=-8.4[/tex]
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