Решите уравнения:1)1,2*(3x+5)=2*(2,4x-3,6).2)6,72-3*(4,1x-2,8)=9,5x+189,52. 3)1,86 +(13,33-x):2,7=5,16

[latex]1,2*(3x+5)=2*(2,4x-3,6)[/latex] [latex]3.6x+6=4.8x-7.2[/latex] [latex]3.6x-4.8x=-6-7.2[/latex] [latex]-1.2x=-13.2[/latex] [latex]x=11[/latex] [latex]6,72-3*(4,1x-2,8)=9,5x+189,52[/latex] [latex]6.72-12.3x+8.4=9.5x+189.52[/latex] [latex]-12.3x-9.5x=-6.72-8.4+189.52[/latex] [latex]-21.8x=174.4[/latex] [latex]x=-8[/latex] [latex]1,86 +(13,33-x):2,7=5,16[/latex]        [latex]|*2.7[/latex] [latex]5.022+13,33-x=13.932[/latex] [latex]-x=-4.42[/latex] [latex]x=4.42[/latex]