Решите уравнение -7+х =-2; х+3=-6; 12+ х=-8; -13+ х=-5

Question

Решите уравнение -7+х =-2; х+3=-6; 12+ х=-8; -13+ х=-5

Answer 1

-7+х=-2
х=-2+7
х=5

х+3=-6
х=-6-3
х=-9

12+х=-8
х=-8-12
х=-20

-13+х=-5
х=-5+13
х=8

Answer 2

1)х=-2+7
х=5
2)х=-6-3
х=-9
3)х=-8-12
х=-20
4)х=-5+13
х=8