Question

-3/7-4/7:x=-2

Answer 1

\(-\dfrac{3}{7}-\dfrac{4}{7}:x=-2\)

\(\Rightarrow\dfrac{4}{7}:x=\dfrac{11}{7}\Rightarrow x=\dfrac{4}{11}\)

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Answer 2

-3/7-4/7 : x = -2

4/7 : x =-3/7- (- 2)

4/7 : x = 11/7

x =4/7 : 11/7

x = 4/11

vậy x = 4/ 11