Question

(9-x)= 10 solve the question
2​

Answer 1

Answer:

X =-1

Step-by-step explanation:

(9-x)=10

9-x=10

-x= 10-9

-x= 1

x= -1

Answer 2

Answer:

(9-x)=10

(-x+9)=10

-x+9=10

-x+9-9=10-9

ans= -1