Question

Решите уравнение:

а) 3x = -15


б) -7x = -21

Answer 1

х=-15:3
х=-3

х=-21:-7
х=3

Answer 2

Спс

Answer 3

а) 3x=-15
x=-15:3
x=-5
б) -7x=-21
x=-21:(-7)
x=3

Answer 4

Cgc

Answer 5

Спс