<span>-2y+</span>3y=8-6
y=8-6
<span>y=2</span>
<span>4y-</span>5y=3-7
-y=-4
y=4
<span>
</span>
<span>8x-25=3x+30</span>
<span>8x-3x=30+25</span>
5х=55
х=11
<span>5x+3=2х</span>
<span>5х-2х=-3</span>
<span>3х=-3</span>
<span>х=-1</span>
<span>
</span>
<span><span>6k-10=9k-1</span></span>
<span><span>6k-9k=-1+10</span></span>
<span><span>-3k=9</span></span>
<span><span>k=-3</span></span>
<span><span>
</span></span>
<span><span><span>(x-12)+(16-2x)=14</span></span></span>
<span><span><span>x-12+16-2x=14</span></span></span>
<span><span><span>x-2x=14+12-16</span></span></span>
<span><span><span>-х=10</span></span></span>
<span><span><span>х=-10</span></span></span>
<span><span><span>
</span></span></span>
<span><span><span>(x+25)-(x-12)=13</span></span></span>
<span><span><span>x+25-x+12=13</span></span></span>
<span><span><span>x-x=13-12-25</span></span></span>
<span><span><span>-х=-24</span></span></span>
<span><span><span>х=24</span></span></span>
<span><span><span>
</span></span></span>
<span><span><span>у меня всё правильно, т.к. нам задавали такие же примеры и у меня за них 5 стоит!!!</span></span></span>
<span>
</span>
<span>сделай мой ответ как лучший умоляю..)) заранее огромноое спасибо..))</span>