Решите уравнение: 2/3*(1,5х+6)-0,8*(5/12*х-0,5)=1
2/3*1,5х+2/3*6-0,8*5/12х-0,8*0,5=1 2*0,5х+4-(1/3)х-0,4=1 (2/3)х+4-0,4=1 (2/3)х=-2,6 х=-2,6÷(2/3) х=-3,9