Уравнение : (2,5х+0,5)*0,094=0,259-0,4
В приложении................................
(2,5х+0,5)*0,094=0,259-0,42.5х+0.5=-0.141:0.094 2.5х+0.5=-1.5 2.5х=-1.5-0.5 2.5х=-2 х=-2:2.5 х=-0.8