Question

х-20=40            х+15=45       96-х=30   
Помогите решить примеры

Answer 1

х-20=40  
x = 40+20
x= 60
х+15=45
x=45-15
x = 30
96-х=30 
x= 96-30
x=66

Answer 2

1. x=40+20
x = 60
2. x = 45-15
x = 30
3. 96-30 =x
x = 66