Respuesta :

dalendrk
[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]