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

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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