Question

giúp mk với nhé!!

Answer 1

b:=>5x-4=15

=>5x=19

hay x=19/5

c: =>x-2=-4x6:3=-8

=>x=-6

d: \(\Leftrightarrow x\cdot\dfrac{1}{3}+\dfrac{1}{6}=\dfrac{1}{2}-\dfrac{5}{3}=\dfrac{-7}{6}\)

\(\Leftrightarrow x\cdot\dfrac{1}{3}=\dfrac{-7}{6}-\dfrac{1}{6}=\dfrac{-4}{3}\)

hay x=-4

Answer 2

b:=>5x-4=15

=>5x=19

hay x=19/5

c: =>x-2=-4x6:3=-8

=>x=-6

d: ⇔x⋅13=−76−16=−43⇔x⋅13=−76−16=−43

hay x=-4 ok bạn nhé