Question

Tìm x: X - X x 2 + X : 1/5= 28

Answer 1

=>-x+0,2x=28

=>-0,8x=28

hay x=-35

Answer 2

\(x-x\times2+x:\dfrac{1}{5}=28\)

\(4x=28\)

\(x=28:4\)

\(x=7\)