<span>y= -1.</span>
<span><span>y= -0,5x+3 подставляем </span></span>
<span><span>- 1=-0,5x+3</span></span>
<span><span>-4=-0.5х</span></span>
<span><span>х=(-4) /(-0.5)=8</span></span>
<span><span></span></span>
<span><span>Ответ <span>в)8</span></span></span>
-1,5+1/-1,5*1=-0,5/-1,5=1/3