Question

9-a=2 solve and check​

Answer 1

Answer:

a=7

Step-by-step explanation:

9-a=2

9-2=a

7=a

verification

a=7

=9-a

=9-7

=2 certified

Answer 2

Answer:

-a=2-9

-a=-7

(-×-cancel)

so,a=7