Question

Решите уравнения;

1)0,3x=9
2)-2x=3
3)15x=0

Answer 1

$0.3x = 9 \\ x = 30 \\ \\ - 2x = 3 \\ x = - 1.5 \\ \\ 15x = 0 \\ x = 0$

Answer 2

1) 0,3 х = 9

х = 9 : 0,3 = 30

2) -2 х = 3

х = 3 : -2 = -1,5

3) 15 х = 0

х = 0