Question

1/4 + (-x) = 0,75 x bằng mấy?

 

Answer 1

\(\dfrac{1}{4}+\left(-x\right)=0,75\)

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

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

`=>x=-2/4=-1/2`

Answer 2

\(\dfrac{1}{4}+\left(-x\right)=0,75< =>\dfrac{1}{4}-x=\dfrac{3}{4}< =>x=-\dfrac{1}{2}\)