Question

4/ Tìm sso nguyên x, biết :

a/ \(\dfrac{x}{10}\) = \(\dfrac{-11}{5}\)      ;     b/ \(\dfrac{-6}{x}\) = \(\dfrac{30}{60}\)

Answer 1

a: =>x/10=-22/10

hay x=-22

b: =>-6/x=6/12

=>x=-12

Answer 2

\(a,\dfrac{x}{10}=\dfrac{-11}{5}\Rightarrow x.5=10.\left(-11\right)=-110\\ \Rightarrow-22\\ b,\dfrac{-6}{x}=\dfrac{30}{60}\Rightarrow-6.60=x.30=-120\\ \Rightarrow x=-4\)