Решите уравнение: 2*(х+1)+1/2*(х–1)=7/4*х
2(х+1)+1/2(х-1)=7/4х2x+2+0.5x-0.5-7/4x=02.5x+1.5-7/4x=02.5x+1.5-1.75x=00.75x+1.5=0x=-1.5/0.75x=-2