[tex]\bf \cfrac{\quad -\frac{1}{2} \quad }{-\frac{1}{2}}\implies \boxed{1}\qquad \qquad \cfrac{\quad 6 \quad }{-\frac{1}{2}}\implies \cfrac{\quad \frac{6}{1} \quad }{-\frac{1}{2}}\implies \cfrac{6}{1}\cdot -\cfrac{2}{1}\implies \boxed{-12}\\\\
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-\frac{1}{2}(1x-12)\implies -\frac{1}{2}(x-12)[/tex]
