<span>3х-1=2(х-2)</span>
<span>3х-1=2х-4</span>
<span>х=-3</span>
<span>
</span>
<span><span>3(х+5)=7-5х</span></span>
<span><span>3х+15=7-5х</span></span>
<span><span>8х=-8</span></span>
<span><span>х=-1</span></span>
<span><span>
</span></span>
<span><span><span>19(у-9)=3(у+7)</span></span></span>
<span><span><span>19у-171=3у+21</span></span></span>
<span><span><span>16у=192</span></span></span>
<span><span><span>у=12</span></span></span>
<span><span><span>
</span></span></span>
<span><span><span><span>4(х-9)=3(х-8)</span></span></span></span>
<span><span><span><span>4х-36=3х-24</span></span></span></span>
<span><span><span><span>х=12</span></span></span></span>
<span><span><span><span>
</span></span></span></span>
<span><span><span><span><span>3(2х-9)=5(х-4)</span></span></span></span></span>
<span><span><span><span><span>6х-27=5х-20</span></span></span></span></span>
<span><span><span><span><span>х=7</span></span></span></span></span>
<span><span><span><span>7(3-2х)=15(1-х)</span></span></span></span>
<span><span><span><span>21-14х=15-15х</span></span></span></span>
<span><span><span><span>х=-6</span></span></span></span>