Question

4 и 5 задания! Найти точки.

Answer 1

$1); left { {{x-2y=-16} atop {y=-3-5x}} right. ; left { {{x-2(-3-5x)=-16} atop {y=-3-5x}} right. ; left { {{x=-2} atop {y=-3+10=7}} right. \\A(-2,7)\\\2); left { {{x=6-2y} atop {x=-14+3y}} right. ; left { {{6-2y=-14+3y} atop {x=6-2y}} right. ; left { {{y=4} atop {x=6-8=-2}} right. \\B(-2,4)$