Question

Giúp mik lm các bài 1,2,3,4,5

Answer 1

Bài 2: 

a: \(\Leftrightarrow x\cdot\dfrac{1}{4}=\dfrac{1}{8}\)

hay x=1/2

b: \(\Leftrightarrow x:\left(-5\right)=\dfrac{11}{6}\)

hay \(x=-\dfrac{55}{6}\)

c: \(\Leftrightarrow\dfrac{-3.5}{x}=\dfrac{17}{32}\)

hay \(x=-\dfrac{112}{17}\)