Question

помогите пожалуйста х+28=71, ×-31=49, ×+29=74.

Answer 1

х=71-28
х=43

х=49+31
х=80

х=74-29
х=45

Answer 2

х=71-28
х=43
43+28=71


х=49+31
х=80
80-31=49



х=74-29
х=45
45+29=74