1.4x+14=0.6x+0.4 помогите
1.4х-0.6х=0.4-14 0.8х=-13.6 Х=-17
1.4х+14=0.6х+0.4 1.4х-0.6х=0.4-14 0.8х= -13.6 х= -13.6 : 0.8 х= -17