А) 3x=1,2; б) 6z=-5,4; в)-5y=10,5; г)-2,5x=2,5; д)1,2y=1,2; е)0,1z=4,2;

[latex]x=1,2:3[/latex] [latex]x=0,4[/latex] _____________________________________ [latex]z=-5,4:6[/latex] [latex]z=-0,9[/latex] ___________________________________________ [latex]y=-2,1[/latex] _______________________________________________ [latex]x=-1[/latex] __________________________________________________ [latex]y=1[/latex] ____________________________________________ [latex]z=42[/latex] __________________________________________