3(4x-1)-7(2x+4)=x-0.5
помогите

3(4x-1)-7(2x+4)=x-0.512x-3-14x-28=x-0,5-2x-31=x-0,5-2x-x=-0,5+31-3x=30.5x=-30.5:3x= - 61/2 * 1/3 = - 61/6 = - 10 1/6