Question

hola quien me alluda​

Answer 1

6.-

$(a)(-10)=20\\a=\frac{20}{-10} =-\frac{20}{10} \\a=-2$

7.-

$(b)(-9)=-27\\b=\frac{-27}{-9}=\frac{27}{9} \\b=3$

8.-

$(c)(7)=-7\\c=\frac{-7}{7}=-\frac{7}{7}  \\c=-1$