Question

Tìm \(x\):

1) \(\dfrac{3}{4}x+\dfrac{1}{2}\left(x+1\right)=-\dfrac{11}{4}\)

2) \(0,75x-x+1\dfrac{1}{4}x=20\%\)

Answer 1

1: =>5//4x+1/2=-11/4

=>5/4x=-13/4

=>x=-13/5

2: =>x=20%=0,2