46-x=21, x+6=14, 13-x=9, 15+x=40, 27-x=17

Question

46-x=21, x+6=14, 13-x=9, 15+x=40, 27-x=17

Answer 1

46-x=21

х=46-21=25

 

x+6=14

х=14-6=8

 

13-x=9

х=13-9=4

 

15+x=40

х=40-15=25

 

27-x=17

х=27-17=10

Answer 2

46-x=21

-x= -46+21

-x= -25

x= 25

_________________

 x+6=14

x= 14-6

x= 8

________________

 13-x=9

-x=9-13

-x= -4

x=4

______________

15+x=40

x= 40-15

x= 25

_______________

 27-x=17

x= 17 - 27

x= -10