Решите уравнения: 1 1) 3 (х+4) +6х = 118 2) 0.18 (х-200) - 0.78х = 120 3) 7 (x-4) - 5 (6x-2) = -16x+10

[latex]1) 3(x+4)+6x=118[/latex] [latex]3x+12+6x=118[/latex] [latex]3x+6x=118-12[/latex] [latex]9x=106[/latex] [latex]x=11 \frac{7}{9} [/latex] [latex]2) 0.18(x-200) - 0.78x = 120[/latex] [latex]0,18x-36-0,78x=120[/latex] [latex]0,18x-0,78x=120+36[/latex] [latex]-0,6x=156[/latex] [latex]x=-260[/latex] 3) [latex]7 (x-4) - 5 (6x-2) = -16x+10[/latex] [latex] 7x-28-30x+10=-16x+10[/latex] [latex]7x-30x+16x=10+28-10[/latex] [latex]-7x=28[/latex] [latex]x=-4[/latex]