ответ: 13/3 (4 1/3)
0,4(x+2)-2(0,3x-0,2)=1,4-0,5(x+3)
0.4x+0.8-0.6x+0.4=1.4-0.5x-1.5
-0.2x+1.2=-0.1-0.5x
-0.2x+0.5x=-0.1-1.2
0.3x=-1.3
x=-1.3:0.3
x=13/3 (4 1/3)
ответ: 13/3 (4 1/3)
0,4(x+2)-2(0,3x-0,2)=1,4-0,5(x+3)
0.4x+0.8-0.6x+0.4=1.4-0.5x-1.5
-0.2x+1.2=-0.1-0.5x
-0.2x+0.5x=-0.1-1.2
0.3x=-1.3
x=-1.3:0.3
x=13/3 (4 1/3)