Question

Уравнение : (2,5х+0,5)*0,094=0,259-0,4

Answer 1

(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

Answer 2

в приложении................................