Добери корінь рівняння:
1) x ⋅ (–4) = 20;
2) –2 ⋅ x = –10;
3) 7 ⋅ x = –6,3.
Розв'язок:
1) х ⋅ (-4) = 20
х = -5
2) -2 ⋅ х = -10
х = 5
3) 7 ⋅ х = -6,3
х = -0,9
1) х ⋅ (-4) = 20
х = -5
2) -2 ⋅ х = -10
х = 5
3) 7 ⋅ х = -6,3
х = -0,9