№ 1016
6х + by = 0а) 6 • 2 + 3b = 03b = –12b = –12 : 3b = –4;
б) 6 • 0 + 0b = 0b • 0 = 0b ∈ R;
в) –4 – 6 + 8 • b = 08b = 24b = 3;
г) –3 • 6 – 2 • b = 02b = –18b = –9.
вправи поруч