<span>. 8 + 4(x – 2) = –10 – x.</span>
<span>раскрываем скобки</span>
<span>8+4х-8=-10-х</span>
8 и -8 уходят
4х=-10х-х
4х+х=-10
5х=-10
х=-10/5
х=2
<span> 2(5 – 2x) – (x + 1) = –6.</span>
<span>10-4х-х-1=-6
-4х-х=-6-10+1</span>
<span>-5х=-15</span>
<span>х=3</span>
<span> <span>3 – 7x = –5(x + 3)</span></span>
<span><span>3-7х=-5х-15</span></span>
<span><span>-7х+5х=-15-3</span></span>
<span><span>-2х=-18</span></span>
<span><span>х=9</span></span>