у=-4хх-у=10х-(-4х)=10 х+4х=105х=10х=10:5х=2Ответ: х=2
<span>у= -150/х</span>
<span>x=-15/8</span>
<span>y=-150/(-15/8)=150*8/15=80</span>
<span><span>D(-15/8 ; 80)</span></span>