Question

tìm x

\(\dfrac{3x}{4}=-\dfrac{1}{2}\)

Answer 1

`(3x)/4 = -1/2`

`3x=-1/2 xx 4`

`3x=-2`

`x=-2:3`

`x=-2/3`

Vậy `x=-2/3`

Answer 2

\(\dfrac{3x}{4}=-\dfrac{1}{2}\)

\(3x=\left(-\dfrac{1}{2}\right)\cdot4\)

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

\(x=\left(-2\right):3\)

`=>x=-2/3`