2(х+1)+1/2(х+1)=7/4х помогите
2(x+1)+1/2(x+1)=7/4x 2x+2+1/2x+1/2=7/4x 2x+9/4x=-2-1/2 2x+2.25x=-2.5 4.25x=-2.5 x=-2.5/4.25 x=-25/10*100/425 x=-10/17